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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.
  •  China "dense" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 28511.2-2023 Planar optical waveguide integrated optical circuit devices Part 2: dense wavelength division multiplexing (DWDM) filters based on arrayed waveguide grating (AWG) technology
    平面光波导集成光路器件 第2部分:基于阵列波导光栅(AWG)技术的密集波分复用(DWDM)滤波器
    China National Standards
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    GB/T 17732-2023 Test methods for dense shaped carbon-containing refractory products
    致密定形含碳耐火制品试验方法
    China National Standards
    dense

    English PDF
    GB/T 21648-2023 Metal wire woven dense mesh
    金属丝编织密纹网
    China National Standards
    dense

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    GB/T 42552.1-2023 Acoustics - Laboratory method for measuring impact sound improvement of cladding with small slab modules - Part 1: Heavy dense slabs
    声学 小楼板模块测量覆面层撞击声改善量的实验室方法 第1部分:重质密实楼板
    China National Standards
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    English PDF
    GB/T 18931-2022 Classification of alkaline dense shaped refractory products with carbon content less than 7%
    碳含量小于7%的碱性致密定形耐火制品分类
    China National Standards
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    GB/T 41229-2021 Battery condenser
    集棉机
    China National Standards
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    GB/T 37762-2019 General specification for synchronous condenser unit protection equipment
    同步调相机组保护装置通用技术条件
    China National Standards
    dense

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    GB/T 37753-2019 Performance test code on steam surface condenser
    表面式凝汽器性能试验规程
    China National Standards
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    GB/T 17944-2018 Specifications for the dense gravity measurement
    加密重力测量规范
    China National Standards
    dense

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    GB/T 3000-2016 dense shaped refractory products—Determination of permeability to gases
    致密定形耐火制品 透气度试验方法
    China National Standards
    dense

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    GB/T 2997-2015 Test method for bulk density, apparent porosity and true porosity of dense shaped refractory products
    致密定形耐火制品体积密度、显气孔率和真气孔率试验方法
    China National Standards
    dense

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    GB 17325-2015 National Standard on Food Safety - Condense (Juice, Pulp) for Food Industry
    食品安全国家标准 食品工业用浓缩液(汁、浆)
    China National Standards
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    GB/T 8890-2015 Seamless copper alloy tube for condenser and heat-exchanger
    热交换器用铜合金无缝管
    China National Standards
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    GB/T 30870-2014 Classification of special dense shaped refractory products
    特种致密定形耐火制品分类
    China National Standards
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    GB/T 30757-2014 Classification of basic dense shaped refractory products containing from 7% to 50% residual carbon
    残碳量7%~50%的碱性致密定形耐火制品分类
    China National Standards
    dense

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    GB/T 13667.4-2013 Steel book shelves-Part 4: Electric dense bookshelf
    钢制书架 第4部分:电动密集书架
    China National Standards
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    GB/T 13667.3-2013 Steel book shelves―Part 3: Manual dense bookshelf
    钢制书架 第3部分:手动密集书架
    China National Standards
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    GB/T 30066-2013 Welded ferritic stainless steel tubes for heat-exchanger and condenser
    热交换器和冷凝器用铁素体不锈钢焊接钢管
    China National Standards
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    GB/T 28212-2011 Laboratory glassware - Condensers
    实验室玻璃仪器 冷凝管
    China National Standards
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    GB 13102-2010 National food safety standard - Evaporated milk, sweetened condensed milk and formulated condensed milk
    食品安全国家标准 炼乳
    China National Standards
    dense

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    GB/T 23134-2008 Condenser of household refrigerating appliance
    家用电冰箱冷凝器
    China National Standards
    dense

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    GB/T 9247-2008 Microscopes - Condensers
    显微镜 聚光镜
    China National Standards
    dense

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    GB/T 17732-2008 dense,shaped refractory products - Test methods for products containing carbon
    致密定形含碳耐火制品试验方法
    China National Standards
    dense

    English PDF
    GB/T 18931-2008 Classification of basic dense shaped refractory products containing less than 7% residual carbon
    残碳量小于7%的碱性致密定形耐火制品分类
    China National Standards
    dense

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    GB/T 17105-2008 Classification of dense shaped refractory products - Alumina-silica
    铝硅系致密定形耐火制品分类
    China National Standards
    dense

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    GB/T 21648-2008 Industrial dense woven wire cloth
    金属丝编织密纹网
    China National Standards
    dense

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    GB/T 3625-2007 Titanium and titanium alloy tube for condensers and heat exchangers
    换热器及冷凝器用钛及钛合金管
    China National Standards
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    GB/T 20440-2006 Technical requirements of dense Wavelength Division Multiplexer/Demultiplexer
    密集波分复用器/解复用器技术条件
    China National Standards
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    GB/T 10476-2004 Specifications for urea high pressure condenser
    尿素高压冷凝器技术条件
    China National Standards
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    GB/T 19383-2003 Spinning machinery--Main dimensions and designation of condenser rubbers for cards
    纺纱机械 梳毛机用搓条胶板主要尺寸和标记
    China National Standards
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    English PDF
    GB/T 2997-2000 Test method for bulk density,apparent porosity and true porosity of dense shaped refractory products
    致密定形耐火制品 体积密度、显气孔率和真气孔率 试验方法
    China National Standards
    dense

    English PDF
    GB/T 17944-2000 Specifications for the dense gravity measurement
    加密重力测量规范
    China National Standards
    dense

    English PDF
    GB/T 3000-1999 dense shaped refractory products--Determination of permeability to gases
    致密定形耐火制品透气度试验方法
    China National Standards
    dense

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    GB 16196-1996 Health standard for condensed silica dust in the air of workplace
    车间空气中凝聚二氧化硅粉尘卫生标准
    China National Standards
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    GB/T 13782-1992 Test method for textile fibre length distribution parameters--Electric condenser method
    纺织纤维长度分布参数试验方法 电容法
    China National Standards
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    GB/T 5418-1985 Analytical methods for sweetened condensed whole milk
    全脂加糖炼乳检验方法
    China National Standards
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