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'2020'
China GB Standards List

 GB/T 39142.1-2020  
Specification of plastic-steel bilayer self-lubricating materials—Part 1:Running-in layer with modified PTFE tape

塑料-钢背二层粘接复合自润滑板材技术条件 第1部分:带改性聚四氟乙烯(PTFE)减摩层的板材
 GB 7300.402-2020  
Feed additives—Part 4:Enzymes—Phytase

饲料添加剂 第4部分:酶制剂 植酸酶
 GB/T 24474.2-2020  
Measurement of ride quality—Part 2: Escalators and moving walks

乘运质量测量 第2部分:自动扶梯和自动人行道
 GB/T 28599-2020  
Determination of phthalate esters in cosmetics

化妆品中邻苯二甲酸酯类物质的测定

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