This standard specifies the basic requirements for packaging, packing requirements, wooden box packaging test and packing document

JB/T 2858.4-1999 This standard is a revision of ZB J56 003-87 "Technical requirements for manufacturing and acceptance of thread g

JB/T 2858.3-1999 This standard is a revision of ZB J56 002-87 "Thread Grinding Machine Precision". During the revision, only edito

JB/T 2858.2-1999 This standard is a revision of JB/Z 154-80 "Thread Grinding Machine Series". During the revision, only editorial

JB/T 2858.1-1999 This standard is a revision of JB 2825-80 "Thread Grinding Machine Parameters". During the revision, only editori

This standard specifies the technical requirements and inspection procedures for annealing, quenching and tempering of rolling bea

JB/T 2847-1999 JB/T 2847-1999 Multi-contact high pressure molding machine type and basic parameters JB/T2847-1999 Standard downloa

This standard specifies the general technical requirements, test methods, inspection rules, marking and packaging requirements for