JB/T 8335-1996 Classification and numbering rules for hole series combination fixture components JB/T8335-1996 Standard download d

This standard specifies the type, parameters, technical requirements, test methods, inspection rules, marking, packaging and stora

This standard specifies the type, parameters, technical requirements, test methods, inspection rules, marking, packaging and stora

This standard specifies the requirements for the manufacture and acceptance of lightweight cantilever planers and planers. This st

JB/T 1750-1992 Valve structural elements Ammonia valve body sealing surface dimensions JB/T1750-1992 Standard download decompressi

This standard specifies the pre-adjustment test, geometric accuracy and working accuracy requirements and test methods for lightwe

This standard specifies the manufacturing and acceptance requirements for heavy-duty deep hole boring and drilling machines. This

This standard specifies the requirements and inspection methods for the geometric accuracy and working accuracy of heavy-duty deep