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 GB/T 27553.1-2011  
Specification of Plastics-Bronze-steel backing triplelayer self-lubricating materials - Part 1:plastic overlay with modified PTFE

塑料-青铜-钢背三层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/T 27553.2-2011  
Specification of plastics-bronze-steel backing triplelayer self-lubricating materials - Part 2:plastic overlay with modified POM

塑料-青铜-钢背三层复合自润滑板材技术条件 第2部分:带改性聚甲醛(POM)减摩层的板材
 GB/T 27524-2011  
Cigarettes - Determination of semi-volatile compounds (pyridine, styrene, quinoline) in mainstream smoke - GC-MS method

卷烟 主流烟气中半挥发性物质(吡啶、苯乙烯、喹啉)的测定 气相色谱-质谱联用法
 GB/T 27525-2011  
Cigarette - Determination of Benzo(a)pyrene in sidestream smoke - GC-MS method

卷烟 侧流烟气中苯并[a]芘的测定 气相色谱-质谱联用法
 GB/T 27523-2011  
Cigarettes - Determination of volatile organic compounds (1,3-butadiene, isoprene, acrylonitrile, benzene, toluene) in mainstream smoke - GC-MS method

卷烟 主流烟气中挥发性有机化合物(1,3-丁二烯、异戊二烯、丙烯腈、苯、甲苯)的测定 气相色谱-质谱联用法

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