2021 year China issued GB standards list |
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GB/T 40937-2021 Plastic piping systems—Determination of long-term strength for plastic composite pipes and fittings
塑料管道系统 塑料复合管材和管件长期强度的测定方法 |
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GB/T 40911.3-2021 Plastics—Poly(methyl methacrylate) sheets—Types,dimensions and characteristics—Part 3:Continuous cast sheets
塑料制品 聚甲基丙烯酸甲酯板材 类型、尺寸和特性 第3部分：连续浇铸板材 |
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GB/T 39715.2-2021 Plastics—Biobased content—Part 2: Determination of biobased carbon content
塑料 生物基含量 第2部分：生物基碳含量的测定 |
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GB/T 18216.5-2021 Electrical safety in low voltage distribution systems up to 1 000 V a.c, and 1500 V d.c.-Equipment for testing，measuring or monitoring of protective measures-Part 5:Resistance to earth
交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第5部分：对地电阻 |
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GB/T 18691.2-2021 Agricultural irrigation equipment—Irrigation valves—Part 2: Isolating valves
农业灌溉设备 灌溉阀 第2部分：隔离阀 |
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GB/T 40323-2021 Determination of octamethylcyclotetrasiloxane(D4)， decamethylcyclopentasiloxane(D5) and dodecamethylcyclohexasiloxane(D6) in textile dyeing and finishing auxiliaries
纺织染整助剂产品中八甲基环四硅氧烷（D4）、十甲基环五硅氧烷(D5)和十二甲基环六硅氧烷(D6)的测定 |
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GB/T 20373-2021 Determination of acetyl content in modified starch—Titrimetric method
变性淀粉中乙酰基含量的测定 滴定法 |
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GB/T 40322-2021 Thermoplastic elastomer—Specifications of door sealmaterials for household and similar refrigerating appliances
热塑性弹性体 家用和类似用途制冷器具用门密封材料规范 |
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GB/T 40221-2021 Specification for economic operation system of smart hydropower plant
智能水电厂经济运行系统技术条件 |
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GB/T 40523.3-2021 Ships and marine technology—Measurement of changes in hull and propeller performance—Part 3: Alternative methods
船舶与海上技术 船体和螺旋桨性能变化测量 第3部分：替代方法 |
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GB/T 40334-2021 Packaging—Accessible design—Information and marking
包装 无障碍设计 信息和标识 |
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GB/T 29766-2021 Information security technology—Technical requirements and testing and evaluating approaches of website data recovery products
信息安全技术 网站数据恢复产品技术要求与测试评价方法 |
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GB/T 2099.1-2021 Plugs and socket-outlets for household and similar purposes—Part 1: General requirements
家用和类似用途插头插座 第1部分：通用要求 |
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GB/T 40382-2021 Recycling materials for wrought aluminium alloys
再生变形铝合金原料 |
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GB/T 40530-2021 Ships and marine technology—Safety valve for cargo tanks of LNG carriers—Design and testing requirements
船舶和海上技术 液化天然气运输船液货舱安全阀 设计与试验要求 |
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GB/T 7739.4-2021 Methods for chemical analysis of gold concentrates—Part 4:Determination of copper content
金精矿化学分析方法 第4部分：铜量的测定 |
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GB/T 8243.12-2021 Methods of test for full-flow lubricating oil filters for internal combustion engines—Part 12: Filtration efficiency using particle counting and contaminant retention capacity
内燃机全流式机油滤清器试验方法 第12部分：颗粒计数法滤清效率和容灰量 |
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GB/T 40665.4-2021 Operation specifications for four diagnostic methods in traditional Chinese medicine—Part 4:Pulse palpation
中医四诊操作规范 第4部分：切诊 |
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GB/T 1551-2021 Test method for measuring resistivity of monocrystal silicon—In-line four-point probe and direct current two-point probe method
硅单晶电阻率的测定 直排四探针法和直流两探针法 |
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GB/T 40380.2-2021 Metallic powders—Determination of apparent density and flow rate at elevated temperatures—Part 2: Determination of flow rate at elevated temperatures
金属粉末 高温时松装密度和流速的测定 第2部分：高温时流速的测定 |
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