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BS ISO 54:1996
Cylindrical gears for general engineering and for heavy engineering. Modules
现行
发布日期 :
1997-04-15
实施日期 :
BS M 54:1982
Specification for temperature control in the heat treatment of metals
被代替
发布日期 :
1982-12-31
实施日期 :
DD 54-1:1977
Methods for the sampling and analysis of fume from welding and allied processes
被代替
发布日期 :
1977-03-31
实施日期 :
DD 54-2:1981
Methods for the sampling and analysis of fume from welding and allied processes
被代替
发布日期 :
1981-06-30
实施日期 :
BS EN 54-1:2021 - TC
Tracked Changes. Fire detection and fire alarm systems
现行
发布日期 :
2022-03-03
实施日期 :