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 GB/T 39748.7-2021  
Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 7:Gravimetric determination of absorption under pressure
失禁用尿吸收辅助器具 聚合物基质吸液材料特性的测试方法 第7部分：称重法测定压力作用下的吸液量
 GB/T 39748.8-2021  
Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 8:Gravimetric determination of flowrate
失禁用尿吸收辅助器具 聚合物基质吸液材料特性的测试方法 第8部分：称重法测定流量
 GB/T 39748.9-2021  
Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 9:Gravimetric determination of density
失禁用尿吸收辅助器具 聚合物基质吸液材料特性的测试方法 第9部分：称重法测定密度
 GB/T 39756-2021  
General specification for the scanning voice reading machine
扫描式语音读书机通用技术条件
 GB/T 39762-2021  
Textile machinery—Opener and cleaner for staple fibres preparation—Vocabulary and principles of construction
纺织机械 短纤维开松机和清棉机 术语和结构原理
 GB/T 39871-2021  
Cervicothoracic orthoses
颈胸矫形器
 GB/T 20218-2021  
Biaxially oriented polyamide (nylon) film
双向拉伸聚酰胺（尼龙）薄膜
 GB/T 39889-2021  
Braille writing board
盲文写字板
 GB/T 39824-2021  
Determination of relative strength of dyes in solution
溶液中染料相对强度的测定
 GB/T 15218-2021  
Classification for reserves of groundwater resources
地下水资源储量分类分级
 GB/T 24295-2021  
Intelligent mail & parcel locker
智能信包箱
 GB/T 28594-2021  
Weather nowcasting
临近天气预报
 GB/T 39751-2021  
Energy detection method for equipment manufacturing system—Guideline
装备制造系统能耗检测方法 导则
 GB/T 39842-2021  
Itegrated circuit (IC)card packaging framework
集成电路（IC）卡封装框架
 GB/T 39922-2021  
Inoculated log production regulations for the cultivation of white jelly fungus
段木银耳耳棒生产规范
 GB/T 39923-2021  
Truffle
块菌(松露）
 GB/T 39933-2021  
Rotational moulding—Test method for low temperature impact
滚塑成型 低温冲击试验
 GB/T 39944-2021  
Digital cone yarn dyeing complete equipment—General technical specification
筒子纱数字化染色成套装备 通用技术条件
 GB/T 30660.2-2021  
Prosthetics and orthotics —Vocabulary— Part 2: Prosthetic gait
假肢和矫形器 术语 第2部分：假肢步态
 GB/T 39886-2021  
Hyper-extension spinal orthoses
脊柱过伸矫形器
 GB/T 39839-2021  
LTE-based broadband trunking communication (B-TrunC) system -- Technical requirements for user equipments (Phase 1)
基于LTE技术的宽带集群通信（B-TrunC）系统 终端设备技术要求（第一阶段）
 GB/T 39851.2-2021  
Road vehicles—Diagnostic communication over Controller Area Network (DoCAN) —Part 2:Transport protocol and network layer services
道路车辆 基于控制器局域网的诊断通信 第2部分：传输层协议和网络层服务
 GB/T 39828-2021  
Test method for determining elastic modulus of thick ceramic coating at elevated temperature
陶瓷厚涂层的高温弹性模量试验方法
 GB/T 39829-2021  
Tool storage with automatic tool changer—Reliability test method
刀库和自动交换装置 可靠性试验方法
 GB/T 39831-2021  
Hydraulic fluid power—Four-port modular stack valves and four-port directional control valves, sizes 02, 03, 05, 07, 08 and 10—Clamping dimensions
液压传动 规格02、03、05、07、08和10的四油口叠加阀和方向控制阀 夹紧尺寸
 GB/T 39832-2021  
Gardening machinery—Powered material-collecting systems—Safety
园艺机械 物料动力收集装置 安全
 GB/T 39833-2021  
Test method for coal combustion characteristics—One-dimensional furnaces method
煤的燃烧特性测定方法 一维炉法
 GB/T 39834-2021  
Technical requirement of fully mechanized bag filling mining with paste
综合机械化膏体袋式充填采煤技术要求
 GB/T 39835-2021  
Water quality for domestic seawater
大生活用海水水质
 GB/T 39836-2021  
Test methods for slagging indexes in coal combustion
煤的燃烧结渣指数测定方法
 GB/T 39827.1-2021  
Plastics -- Post-consumer poly(ethylene terephthalate) (PET) bottle recyclates -- Part 1: Designation system and basis for specifications
塑料 用过的聚对苯二甲酸乙二醇酯(PET)瓶回收物 第1部分：命名系统和分类基础
 GB/T 39838-2021  
LTE-based broadband trunking communication (B-TrunC) system—Test methods for interface (Phase 1)—Interface between UE and trunking core network
基于LTE技术的宽带集群通信（B-TrunC）系统 接口测试方法（第一阶段） 终端到集群核心网接口
 GB/T 39825-2021  
Light conveyor belts—Principal characteristics and applications
轻型输送带 基本性能及应用
 GB/T 39840-2021  
LTE-based broadband trunking communication (B-TrunC) system—Test methods for interface (Phase 1)—Air interface
基于LTE技术的宽带集群通信（B-TrunC）系统 接口测试方法（第一阶段） 空中接口
 GB/T 39841-2021  
Ultrasonic gas meters
超声波燃气表
 GB/T 39843-2021  
Electronic characteristic measurements—Local critical current density and its distribution in large-area superconducting films
电子学特性测量 大面积超导膜的局域临界电流密度及其分布
 GB/T 39844-2021  
Reliability growth—Statistical test and estimation methods
可靠性增长 统计试验和评估方法
 GB/T 39845-2021  
LTE-based broadband trunking communication(B-TrunC) system—Technical requirements for network equipments（Phase 1)
基于LTE技术的宽带集群通信（B-TrunC）系统 网络设备技术要求（第一阶段）
 GB/T 39846-2021  
LTE-based broadband trunking communication (B-TrunC) system—Test methods for interface (Phase 1)—Interface between trunking core network and dispach console
基于LTE技术的宽带集群通信（B-TrunC）系统 接口测试方法（第一阶段） 集群核心网到调度台接口
 GB/T 39847-2021  
Verification test methods of access satellite network for FSS communication earth station
固定卫星通信业务地球站进入卫星网络的验证测试方法
 GB/T 39848-2021  
Methods of measurement for flat panel display color gamut
平板显示器色域测量方法
 GB/T 39850-2021  
Core components business document assembly technical specification for international trade
国际贸易核心构件业务单证集成技术规范
 GB/T 39837-2021  
Information technology—Remote operation and maintenance—Technical reference model
信息技术 远程运维 技术参考模型
 GB/T 39811-2021  
Equipment nomenclature and sorted and numbering for stone industry
石材工业用设备术语和分类及型号编制方法
 GB/T 39801-2021  
General technical specifications of membrane distillation device for seawater and brackish water desalination
海水或苦咸水淡化用膜蒸馏装置通用技术规范
 GB/T 21432-2021  
Graphite pressure vessels
石墨制压力容器
 GB/T 39926-2021  
Hydraulic fluid power—Filter element test methods—Thermal conditioning and cold start-up simulation
液压传动 滤芯试验方法 热工况和冷启动模拟
 GB/T 39799-2021  
Dimension,shape,weight and tolerances for titanium and titanium alloy bars and wires
钛及钛合金棒材和丝材尺寸、外形、重量及允许偏差
 GB/T 39802-2021  
Technical requirements for thermal insulation material of urban heat-supplying
城镇供热保温材料技术条件
 GB/T 39803-2021  
Technical regulation of energy consumption evaluation for flat glass manufacturing
平板玻璃制造能耗评价技术要求

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