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GB/T 13140.5-2008
家用和类似用途低压电路用的连接器件 第2部分:扭接式连接器件的特殊要求
Connecting devices for low-voltage circuits for household and similar purposes - Part 2: Particular requirements for twist-on connecting devices
GB 23101.2-2008
Implants for surgery - Hydroxyapatite - Part 2: Coatings of hydroxyapatite
GB/T 22939.5-2008
Package of household and similar electrical appliances - Particular requirements for electric washing machine and dryer
GB/T 19531.2-2004
Technical requirement for the observational environment of seismic stations--Part 2:Electromagnetic observation
GB/T 22784-2008
Determination of essential parameters of aluminum-magnesium alloy powder for use in fireworks and firecrackers