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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 14636-2021 |
Determination of caLCium and magnesium in industrial circulating cooling water and scale—Atomic absorption spectrometric method 工业循环冷却水及水垢中钙、镁的测定 原子吸收光谱法 |
China National Standards LC |
 English PDF |
| GB/T 7187.1-2021 |
Fuel oil consumption for transportation ships—Part 1: CaLCulation method for marine ships 运输船舶燃油消耗量 第1部分：海洋船舶计算方法 |
China National Standards LC |
English PDF |
| GB/T 20311-2021 |
Building components and building elements—Thermal resistance and thermal transmittance—CaLCulation methods 建筑构件和建筑单元 热阻和传热系数 计算方法 |
China National Standards LC |
English PDF |
| GB/T 17204-2021 |
Terminology and classification of aLCoholic beverages 饮料酒术语和分类 |
China National Standards LC |
English PDF |
| GB/T 40272-2021 |
Paper,board,pulps and cellulose nanomaterials—Determination of acid-soluble magnesium,caLCium,manganese,iron,copper,sodium and potassium 纸、纸板、纸浆和纤维素纳米材料 酸溶镁、钙、锰、铁、铜、钠、钾的测定 |
China National Standards LC |
English PDF |
| GB/T 11362-2021 |
Synchronous belt drives—CaLCulation of power rating and drive center distance with belts pitch codes MXL,XXL,XL,L,H,XH and XXH 同步带传动 节距型号MXL，XXL，XL，L，H，XH和XXH梯形齿同步带额定功率和传动中心距计算 |
China National Standards LC |
English PDF |
| GB/T 3480.5-2021 |
CaLCulation of load capacity of spur and helical gears—Part 5:Strength and quality of materials 直齿轮和斜齿轮承载能力计算 第5部分：材料的强度和质量 |
China National Standards LC |
English PDF |
| GB/T 40008.1-2021 |
Performance evaluation and caLCulating method for water heater system—Part 1：Household and similar water heater system 热水制备系统绩效评价与计算方法 第1部分：户用及类似用途热水制备系统 |
China National Standards LC |
English PDF |
| GB/T 39998-2021 |
Paper, board and paper products—Determination of alkylphenol polyethoxylates—HPLC-MS method 纸、纸板和纸制品 烷基苯酚聚氧乙烯醚类的测定 高效液相色谱质谱法 |
China National Standards LC |
English PDF |
| GB/T 39994-2021 |
Determination of six metal elements (iron, caLCium, magnesium, zinc, titanium,copper) in polyolefin pipe system 聚烯烃管道中六种金属元素（铁、钙、镁、锌、钛、铜）的测定 |
China National Standards LC |
English PDF |
| GB/T 3480.3-2021 |
CaLCulation of load capacity of spur and helical gears—Part 3: Calculation of tooth bending strength 直齿轮和斜齿轮承载能力计算 第3部分：轮齿弯曲强度计算 |
China National Standards LC |
English PDF |
| GB/T 39776-2021 |
Measuring and caLCulating methods of heat balance and heat efficiency of tunnel kiln of brick industrial 砖瓦工业隧道窑热平衡、热效率测定与计算方法 |
China National Standards LC |
English PDF |
| GB/T 39693.3-2021 |
Rubber, vuLCanized or thermoplastic—Determination of hardness—Part 3:Dead-load hardness using the very low rubber hardness (VLRH) scale 硫化橡胶或热塑性橡胶 硬度的测定 第3部分：用超低橡胶硬度（VLRH）标尺 测定定试验力硬度 |
China National Standards LC |
English PDF |
| GB/T 3480.2-2021 |
CaLCulation of load capacity of spur and helical gears—Part 2: Calculation of surface durability (pitting) 直齿轮和斜齿轮承载能力计算 第2部分：齿面接触强度（点蚀）计算 |
China National Standards LC |
English PDF |
| GB/T 34273-2021 |
Standard test method for caLCulated cetane index of coal liquefaction diesel—Four variable equetion 煤液化柴油十六烷指数计算法 四变量公式法 |
China National Standards LC |
English PDF |
| GB/T 26281-2021 |
Methods for the caLCulation of heat balance，heat efficiency and comprehensive energy consumption of cement rotary kiln 水泥回转窑热平衡、热效率、综合能耗计算方法 |
China National Standards LC |
English PDF |
| GB/T 24370-2021 |
Nanotechnologies—Characterization of cadmium chaLCogenide colloidal quantum dot—UV-Vis absorption spectroscopy 纳米技术 镉硫族化物胶体量子点表征 紫外-可见吸收光谱法 |
China National Standards LC |
English PDF |
| GB/T 40955-2021 |
Determination of octamethyLCyclotetrasiloxane(D4) and decamethylcyclopentasiloxane(D5) in cosmetics—Gas chromatography 化妆品中八甲基环四硅氧烷（D4）和十甲基环五硅氧烷（D5）的测定 气相色谱法 |
China National Standards LC |
English PDF |
| GB/T 40887.1-2021 |
WheeLChair containment and occupant retention systems for accessible transport vehicles designed for use by both sitting and standing passengers—Part 1:Systems for rearward-facing wheelchair seated passengers 无障碍客车的轮椅车及乘坐者限位系统 第1部分：后向式轮椅车乘坐者系统 |
China National Standards LC |
English PDF |
| GB/T 40909-2021 |
Textiles—Determination of methyLCyclosiloxane residues 纺织品 甲基环硅氧烷残留量的测定 |
China National Standards LC |
English PDF |
| GB/T 29614-2021 |
VuLCanized rubber—Determination the content of polycyclic aromatic hydrocarbons 硫化橡胶 多环芳烃含量的测定 |
China National Standards LC |
English PDF |
| GB/T 40581-2021 |
CaLCulation specification for power system security and stability 电力系统安全稳定计算规范 |
China National Standards LC |
English PDF |
| GB/T 40584-2021 |
Technical specification for setting caLCulation software and data of relay protection 继电保护整定计算软件及数据技术规范 |
China National Standards LC |
English PDF |
| GB/T 40719-2021 |
Rubber,vuLCanized or themoplastic—Determination of volume and/or surface resistivity 硫化橡胶或热塑性橡胶 体积和/或表面电阻率的测定 |
China National Standards LC |
English PDF |
| GB/T 39693.9-2021 |
Rubber, vuLCanized or thermoplastic—Determination of hardness—Part 9:Calibration and verification of hardness testers 硫化橡胶或热塑性橡胶 硬度的测定 第9部分：硬度计的校准和验证 |
China National Standards LC |
English PDF |
| GB/T 40720-2021 |
Rubber,vuLCanized rubber—Determination of insulation resistance 硫化橡胶 绝缘电阻的测定 |
China National Standards LC |
English PDF |
| GB/T 40797-2021 |
Rubber, vuLCanized or thermoplastic -- Determination of resistance to abrasion -- Driven, vertical abrasive disc method 硫化橡胶或热塑性橡胶 耐磨性能的测定 垂直驱动磨盘法 |
China National Standards LC |
English PDF |
| GB/T 1232.3-2021 |
Rubber,unvuLCanized—Determinations using a shearing-disc viscometer—Part 3:Determination of the Delta Mooney value for non-pigmented,oil-extended emulsion-polymerized SBR 未硫化橡胶 用圆盘剪切黏度计进行测定 第3部分：无填料的充油乳液聚合型苯乙烯-丁二烯橡胶Delta门尼值的测定 |
China National Standards LC |
English PDF |
| GB/T 1687.4-2021 |
Rubber,vuLCanized—Determination of temperature rise and resistance to fatigue in flexometer testing—Part 4: Constant-stress flexometer 硫化橡胶 在屈挠试验中温升和耐疲劳性能的测定 第4部分：恒应力屈挠试验 |
China National Standards LC |
English PDF |
| GB/T 40816.11-2021 |
Industrial furnaces and associated processing equipment—Method of measuring energy balance and caLCulating energy efficiency—Part 11: Evaluation of various kinds of efficiency 工业炉及相关工艺设备 能量平衡测试及能效计算方法 第11部分：各种效率评估 |
China National Standards LC |
English PDF |
| GB/T 20412-2021 |
Fused caLCium magnesium phosphate fertilizer 钙镁磷肥 |
China National Standards LC |
English PDF |
| GB/T 40644-2021 |
Determination of geniposidic acid in extract of eucommia ulmoides oliver leaf—HPLC 杜仲叶提取物中京尼平苷酸的检测 高效液相色谱法 |
China National Standards LC |
English PDF |
| GB/T 40643-2021 |
Determination of hyperoside in extract of crataegus pinnatifida leaf—HPLC 山楂叶提取物中金丝桃苷的检测 高效液相色谱法 |
China National Standards LC |
English PDF |
| GB/T 40642-2021 |
Determination of 1-deoxynojirimycin in extract of mulberry leaf—HPLC 桑叶提取物中1-脱氧野尻霉素的检测 高效液相色谱法 |
China National Standards LC |
English PDF |
| GB/T 39186-2020 |
CaLCulation methods of water saved by projects for iron and steel industry 钢铁行业项目节水量计算方法 |
China National Standards LC |
English PDF |
| GB/T 20975.21-2020 |
Methods for chemical analysis of aluminium and aluminium alloy—Part 21: Determination of caLCium content 铝及铝合金化学分析方法 第21部分：钙含量的测定 |
China National Standards LC |
English PDF |
| GB/T 8151.22-2020 |
Methods for chemical analysis of zinc concentrates—Part 22: Determination of zinc, copper, lead,iron,aluminium ,caLCium and magnesium contents—Wavelength dispersive X-ray fluorescence spectrometric method 锌精矿化学分析方法 第22部分：锌、铜、铅、铁、铝、钙和镁含量的测定 波长色散X射线荧光光谱法 |
China National Standards LC |
English PDF |
| GB/T 27894.1-2020 |
Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 1: General guidelines and caLCulation of composition 天然气 用气相色谱法测定组成和计算相关不确定度 第1部分：总导则和组成计算 |
China National Standards LC |
English PDF |
| GB/T 27894.2-2020 |
Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 2: Uncertainty caLCulations 天然气 用气相色谱法测定组成和计算相关不确定度 第2部分：不确定度计算 |
China National Standards LC |
English PDF |
| GB/T 11062-2020 |
Natural gas—CaLCulation of calorific values, density, relative density and Wobbe indices from composition 天然气 发热量、密度、相对密度和沃泊指数的计算方法 |
China National Standards LC |
English PDF |
| GB/T 2589-2020 |
General rules for caLCulation of the comprehensive energy consumption 综合能耗计算通则 |
China National Standards LC |
English PDF |
| GB/T 24328.10-2020 |
Tissue paper and tissue products—Part 10: Determination of tensile strength of perforated lines and caLCulation of perforation efficiency 卫生纸及其制品 第10部分：打孔线抗张强度的测定及打孔效率的计算 |
China National Standards LC |
English PDF |
| GB/T 15343-2020 |
Methods for chemical analysis of taLC 滑石化学分析方法 |
China National Standards LC |
English PDF |
| GB/T 38812.3-2020 |
Direct reduced iron—Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, caLCium, potassium and sodium content—Inductively coupled plasma atomic emission spectrometric method 直接还原铁 硅、锰、磷、钒、钛、铜、铝、砷、镁、钙、钾、钠含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards LC |
English PDF |
| GB/T 31309-2020 |
CaLCulation of electron vacancy number in cast superalloys 铸造高温合金电子空位数计算方法 |
China National Standards LC |
English PDF |
| GB/T 26373-2020 |
Hygienic requirements for aLCohol-based disinfectant 醇类消毒剂卫生要求 |
China National Standards LC |
English PDF |
| GB/T 14513.3-2020 |
Pneumatic fluid power—Determination of flow-rate characteristics of components using compressible fluids—Part 3:Method for caLCulating steady-state flow-rate characteristics of systems 气动 使用可压缩流体元件的流量特性测定 第 3 部分：系统稳态流量特性的计算方法 |
China National Standards LC |
English PDF |
| GB/T 5687.12-2020 |
Ferrochromium—Determination of phosphorus, aluminum, titanium, copper, manganese, caLCium content—Inductively coupled plasma atomic emission spectrometric method 铬铁 磷、铝、钛、铜、锰、钙含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards LC |
English PDF |
| GB/T 38636-2020 |
Information security technology—Transport layer cryptography protocol（TLCP） 信息安全技术 传输层密码协议（TLCP） |
China National Standards LC |
English PDF |
| GB 1903.50-2020 |
National food safety standard - Food nutrition enhancer - CholecaLCiferol(Vitamin D3) 食品安全国家标准 食品营养强化剂 胆钙化醇（维生素D3） |
China National Standards LC |
English PDF |
| GB 1886.314-2020 |
National food safety standard - Food additive - Edetate caLCium disodium 食品安全国家标准 食品添加剂 乙二胺四乙酸二钠钙 |
China National Standards LC |
English PDF |
| GB 1886.308-2020 |
National food safety standard - Food additive - CaLCium alginate 食品安全国家标准 食品添加剂 海藻酸钙（又名褐藻酸钙） |
China National Standards LC |
English PDF |
| GB/T 7588.2-2020 |
Safety rules for the construction and installation of lifts—Part 2: Design rules, caLCulations, examinations and tests of lift components 电梯制造与安装安全规范 第2部分：电梯部件的设计原则、计算和检验 |
China National Standards LC |
English PDF |
| GB/T 7758-2020 |
Rubber, vuLCanized—Determination of low-temperature characteristics—Temperature-retraction procedure (TR test) 硫化橡胶 低温性能的测定 温度回缩程序（TR 试验） |
China National Standards LC |
English PDF |
| GB/T 6036-2020 |
Rubber,vuLCanized or thermoplastic—Determination of low-temperature stiffening(Gehman test) 硫化橡胶或热塑性橡胶 低温刚性的测定（吉门试验） |
China National Standards LC |
English PDF |
| GB/T 23899-2020 |
Test and caLCulation methods of energy consumption for forestry enterprises 林业企业能耗测试与计算方法 |
China National Standards LC |
English PDF |
| GB/T 39693.6-2020 |
Rubber, vuLCanized or thermoplastic—Determination of hardness—Part 6: Apparent hardness of rubber-covered rollers by IRHD method 硫化橡胶或热塑性橡胶 硬度的测定 第6部分：IRHD法测定胶辊的表观硬度 |
China National Standards LC |
English PDF |
| GB/T 39692-2020 |
Rubber,vuLCanized or thermoplastic—Low temperature testing—General introduction and guide 硫化橡胶或热塑性橡胶 低温试验 概述与指南 |
China National Standards LC |
English PDF |
| GB/T 39527-2020 |
Determination of caLCium, aluminium and silicon in the solid surface materials—Method of chemical analysis 实体面材产品中钙、铝、硅元素含量的测定 化学分析法 |
China National Standards LC |
English PDF |
| GB/T 19208-2020 |
Ground vuLCanized rubber 硫化橡胶粉 |
China National Standards LC |
English PDF |
| GB/T 14849.3-2020 |
Methods for chemical analysis of silicon metal--Part 3: Determination of caLCium content 工业硅化学分析方法 第3部分：钙含量的测定 |
China National Standards LC |
English PDF |
| GB/T 13747.4-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 4: Determination of chromium content--DiphenyLCarbazide spectrophotometry andinductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第4部分：铬量的测定 二苯卡巴肼分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards LC |
English PDF |
| GB/T 39433-2020 |
Gas spring design caLCulation 气弹簧设计计算 |
China National Standards LC |
English PDF |
| GB/T 20801.3-2020 |
Pressure pipng code—Industrial piping—Part 3:Design and caLCulation 压力管道规范 工业管道 第3部分：设计和计算 |
China National Standards LC |
English PDF |
| GB/T 39406-2020 |
Specification of XML exchange of PLC-based software development platform for industrial robots 工业机器人可编程控制器软件开发平台程序的XML交互规范 |
China National Standards LC |
English PDF |
| GB/T 39299-2020 |
Methods for disposing reused thinner waste in the production of TFT-LCD 液晶面板制造稀释废液回收再利用方法 |
China National Standards LC |
English PDF |
| GB/T 39248-2020 |
Thermoplastic multi-layer (non-vuLCanized) hoses and hose assemblies for the transfer of hydrocarbons, solvents and chemicals—Specification 输送液化石油气和液化天然气用热塑性塑料多层（非硫化）软管及软管组合件 规范 |
China National Standards LC |
English PDF |
| GB/T 12585-2020 |
Rubber, vuLCanized or thermoplastic—Rubber sheets and rubber-coated fabrics—Determination of transmission rate of volatile liquids (gravimetric technique) 硫化橡胶或热塑性橡胶 橡胶片材和橡胶涂覆织物 挥发性液体透过速率的测定（质量法） |
China National Standards LC |
English PDF |
| GB/T 3480.1-2019 |
CaLCulation of load capacity of spur and helical gears—Part 1: Basic principles, introduction and general influence factors 直齿轮和斜齿轮承载能力计算 第1部分：基本原理、概述及通用影响系数 |
China National Standards LC |
English PDF |
| GB/T 19836-2019 |
Instrumentation for eLCtric vehicles 电动汽车仪表 |
China National Standards LC |
English PDF |
| GB/T 51366-2019 |
Standard for building carbon emission caLCulation 建筑碳排放计算标准 |
China National Standards LC |
English PDF |
| GB/T 17783-2019 |
Rubber,vuLCanized or thermoplastic—Chemical tests—Preparation of samples and test piece 硫化橡胶或热塑性橡胶 化学试验 样品和试样的制备 |
China National Standards LC |
English PDF |
| GB/T 7755.2-2019 |
Rubber, vuLCanized or thermoplastic—Determination of permeability to gases—Part 2: Equal-pressure methods 硫化橡胶或热塑性橡胶 透气性的测定 第2部分：等压法 |
China National Standards LC |
English PDF |
| GB/T 1685.2-2019 |
Rubber, vuLCanized or thermoplastic—Determination of stress relaxation in compression—Part 2: Testing with temperature cycling 硫化橡胶或热塑性橡胶 压缩应力松弛的测定 第2部分：循环温度下试验 |
China National Standards LC |
English PDF |
| GB/T 38394-2019 |
Coal tar—Determination of sodium, caLCium, magnesium and iron content—Inductively coupled plasma optical emission spectrometry 煤焦油 钠、钙、镁、铁含量的测定 电感耦合等离子体发射光谱法 |
China National Standards LC |
English PDF |
| GB/T 17783-2019 |
Rubber,vuLCanized or thermoplastic—Chemical tests—Preparation of samples and test piece 硫化橡胶或热塑性橡胶 化学试验 样品和试样的制备 |
China National Standards LC |
English PDF |
| GB/T 7755.2-2019 |
Rubber, vuLCanized or thermoplastic—Determination of permeability to gases—Part 2: Equal-pressure methods 硫化橡胶或热塑性橡胶 透气性的测定 第2部分：等压法 |
China National Standards LC |
English PDF |
| GB/T 1685.2-2019 |
Rubber, vuLCanized or thermoplastic—Determination of stress relaxation in compression—Part 2: Testing with temperature cycling 硫化橡胶或热塑性橡胶 压缩应力松弛的测定 第2部分：循环温度下试验 |
China National Standards LC |
English PDF |
| GB/T 223.88-2019 |
Iron, steel and alloy—Determination of caLCium and magnesium contents—Inductively coupled plasma atomic emission spectrometric method 钢铁及合金 钙和镁含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards LC |
English PDF |
| GB/T 37997-2019 |
Thermoplastic multi-layer (non-vuLCanized) hoses and hose assemblies for the transfer of hydrocarbons, solvents and chemicals—Specification 输送烃类、溶剂和化学品用多层热塑性塑料（非硫化）软管及软管组合件 规范 |
China National Standards LC |
English PDF |
| GB/T 37949-2019 |
Purity test method of small molecule materials applied in organic light emitting diode display (OLED)—High performance liquid chromatography (HPLC) 有机发光二极管显示器用有机小分子发光材料纯度测定 高效液相色谱法 |
China National Standards LC |
English PDF |
| GB/T 16632-2019 |
Determination of scale inhibition performance of water treatment chemicals—CaLCium carbonate precipitation method 水处理剂阻垢性能的测定 碳酸钙沉积法 |
China National Standards LC |
English PDF |
| GB/T 10666-2019 |
CaLCium hypochlorite 次氯酸钙（漂粉精） |
China National Standards LC |
English PDF |
| GB/T 4333.6-2019 |
Ferrosilicon—Determination of chromium content—DiphenyLCarbazide spectrophotometric method 硅铁 铬含量的测定 二苯基碳酰二肼分光光度法 |
China National Standards LC |
English PDF |
| GB/T 223.88-2019 |
Iron, steel and alloy—Determination of caLCium and magnesium contents—Inductively coupled plasma atomic emission spectrometric method 钢铁及合金 钙和镁含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards LC |
English PDF |
| GB/T 37428-2019 |
Methods of determination and caLCulation of thermal balance in electric arc furnace 电弧炉热平衡测试与计算方法 |
China National Standards LC |
English PDF |
| GB/T 37761-2019 |
Technical requirements of PLC control device of power transformer cooling system 电力变压器冷却系统PLC控制装置技术要求 |
China National Standards LC |
English PDF |
| GB/T 37673-2019 |
：Determination of silicon,aluminum,iron,caLCium,magnesium,sodium,potassium,phosphorus,titanium,manganese,strontium and barium in coal ash—X-ray fluorescence spectrometric method 煤灰中硅、铝、铁、钙、镁、钠、钾、磷、钛、锰、钡、锶的测定 X射线荧光光谱法 |
China National Standards LC |
English PDF |
| GB/T 37667-2019 |
Determination of iron,caLCium,magnesium,potassium,sodium,manganese,phosphorus,aluminum,titanium,strontium and barium in coal ash—Inductively coupled plasma-atomic emission spectrometry 煤灰中铁、钙、镁、钾、钠、锰、磷、铝、钛、钡和锶的测定 电感耦合等离子体原子发射光谱法 |
China National Standards LC |
English PDF |
| GB/T 37525-2019 |
CaLCulation guideline for solar direct radiation 太阳直接辐射计算导则 |
China National Standards LC |
English PDF |
| GB/T 35698.2-2019 |
CaLCulation of effects of short-circuit currents—Part 2: Examples of calculation 短路电流效应计算 第2部分：算例 |
China National Standards LC |
English PDF |
| GB/T 11026.10-2019 |
Electrical insulating materials—Thermal endurance properties—Part 10: Accelerated determination of relative thermal endurance using analytical test methods(RTEA)—Instructions for caLCulation based on activation energy 电气绝缘材料 耐热性 第10部分：利用分析试验方法加速确定相对耐热指数(RTEA) 基于活化能计算的导则 |
China National Standards LC |
English PDF |
| GB/T 5959.41-2019 |
Safety in eLCctroheating installations—Part 41: Particular requirements for resistance heating equipment—Heating and melting glass equipment 电热装置的安全 第41部分：对电阻加热装置的特殊要求 玻璃加热和熔化装置 |
China National Standards LC |
English PDF |
| GB/T 37403-2019 |
Tetramethylammonium hydroxide developer for thin film transistor-liquid crystal display(TFT-LCD) 薄膜晶体管液晶显示器(TFT-LCD)用四甲基氢氧化铵显影液 |
China National Standards LC |
English PDF |
| GB/T 37391-2019 |
Specification for complete sets of control equipment for PLC 可编程序控制器的成套控制设备规范 |
China National Standards LC |
English PDF |
| GB/T 17215.676-2018 |
Electricity metering data exchange—The DLMS/COSEM suite—Part 76: The 3-layer, connection-oriented HDLC based communication profile 电测量数据交换-DLMS/COSEM组件-第76部分：基于HDLC的面向连接的三层通信配置 |
China National Standards LC |
English PDF |
| GB/T 17215.646-2018 |
Electricity metering data exchange—The DLMS/COSEM suite——Part 46：Data link layer using HDLC protocol 电测量数据交换-DLMS/COSEM组件-第46部分：使用HDLC协议的数据链路层 |
China National Standards LC |
English PDF |
| GB/T 3480.6-2018 |
CaLCulation of load capacity of spur and helical gears—Part 6:Calculation of service life under variable load 直齿轮和斜齿轮承载能力计算-第6部分：变载荷条件下的使用寿命计算 |
China National Standards LC |
English PDF |
| GB/T 37176-2018 |
ALCohols/Ethers-based aromatics 醇醚基芳烃 |
China National Standards LC |
English PDF |
| GB/T 37249-2018 |
CaLCulation method of sulphur dioxide emission with portland cement clinker production 硅酸盐水泥熟料生产中二氧化硫排放量计算方法 |
China National Standards LC |
English PDF |
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