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GB/T 20170.1-2006
稀土金属及其化合物物理性能测试方法 稀土化合物粒度分布的测定
Test methods for physical characters of rare earth metals and their compounds Determination for particle size distribution of rare earth compounds
GB/T 18310.12-2002
纤维光学互连器件和无源器件 基本试验和测量程序 第2-12部分:试验 撞击
Fibre optic interconnecting devices and passive components--Basic test and measurement procedures--Part 2-12:Tests--Impact
GB/T 13158-1991
Compatibility test procedures of clock and synchronization equipment of digital switch introducedinto digital network
GB/T 13157-1991
Overall electro-acoustic frequency response for reproduction of 35mm optical sound track--Reproduction characteristics
GB/T 11213.5-2006
Sodium hydroxide for chemical fiber use - Determination of sulphate content