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China GB Standards List

 GB/T 35173-2017  
Characterisation and testing methods of recycled poly (ethylene terephthalate)(PET)

聚对苯二甲酸乙二醇酯(PET)塑料回收料的表征特性及检测方法
 GB/T 20936.2-2017  
Gas detectors for explosive atmospheres—Part 2:Selection,installation,use and maintenance of detectors for flammable gases and oxygen

爆炸性环境用气体探测器 第2部分:可燃气体和氧气探测器的选型、安装、使用和维护

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