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GB/T 18717.2-2002
用于机械安全的人类工效学设计 第2部分:人体局部进入机械的开口尺寸确定原则
Ergonomic design for the safety of machinery--Part 2:Principles for determining the dimensions required for openings for access of parts of the body into machinery
GB/T 9074.16-1988
Hexagon head bolt and serrated lock washer external teeth assemblies
GB/T 18717.1-2002
用于机械安全的人类工效学设计 第1部分:全身进入机械的开口尺寸确定原则
Ergonomic design for the safety of machinery--Part 1:Principles for determining the dimensions required for openings for whole-body access into machinery
GB/T 18969-2003
Determination of residues of organaphosphorus in feeds--Gas chromatagraphic method
GB/T 12272-1990
Measuring method of radio-frequency high potential withstanding voltage for radio-frequency coaxial connectors
GB/T 9363-1988
信息处理 信息交换用9磁道12.7mm（0.5in）磁带成组编码方式246 cpmm （6250 cpi） 的格式及记录
Information processing--9-Track, 12.7mm (0.5in) wide magnetictape for information interchange--Format and recording,using group coding at 246 cpmm(6250 cpi)