JB/T 8013.2-1999 This standard specifies the thin-walled drill bushings with a specification of 0.5~7mm. This standard was first i

JB/T 8013.1-1999 This standard is a revision of JB/T 8013.1-95 "Location Bushings for Machine Tool Fixture Parts and Components".

JB/T 8012.5-1999 This standard is a revision of JB/T 8012.5-95 "Hook-shaped side pressure plates (combination) for machine tool fi

This standard specifies the basic parameters, technical requirements, test methods, inspection rules, marking and packaging of non

This standard specifies the calculation of the circumferential stress of the centrifuge drum wall when it rotates, the selection o

JB/T 8050-1999 Technical requirements for punching die and die frame JB/T8050-1999 Standard download decompression password: www.b

JB/T 8046.3-1999 JB/T 8046.3-1999 Machine tool fixture parts and components boring screws JB/T8046.3-1999 Standard download decomp

JB/T 8046.2-1999 This standard is a revision of JB/T 8046.2-95 "Bushings for boring sleeves of machine tool fixture parts and comp