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BS 18:1987
Method for tensile testing of metals (including aerospace materials)
被代替
发布日期 :
1987-06-30
实施日期 :
BS C 18:1976
Specification for V-flange couplings for aircraft piping and ducting - metric series
被代替
发布日期 :
1976-08-31
实施日期 :
BS Z 18:2000
Space data and information transfer systems. Standard formatted data units. Referencing environment
现行
发布日期 :
2000-12-15
实施日期 :