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JB/T 1465.1-1999 This standard is a revision of JB 1465-75 "Basic parameters of roller plate straightening machines". During the r
JB/T 1464.2-1999 JB/T 1464.2-1999 Technical requirements for single-spindle longitudinal cutting automatic lathes JB/T1464.2-1999
JB/T 1464.1-1999 This standard is a revision of JB 3754-84 "Single-axis longitudinal head automatic lathe parameters". During the
JB/T 1460-1992 Technical conditions for heat treatment of high carbon chromium stainless steel rolling bearing parts JB/T1460-1992
This standard specifies the technical requirements, inspection methods, inspection rules, pickling inspection procedures, steel ba
JB/T 1431-1999 JB/T 1431-1999 Accuracy of top box shock-pressing, top box shock-solid and off-box shock-pressing molding machines
This standard specifies the types and basic parameters, technical requirements, test methods and inspection, marking, packaging, t
This standard specifies the rules for compiling product names and models of mobile power stations (including automobile power stat