This standard specifies the technical requirements, test methods, inspection rules, quality assurance period, marking, packaging,

This standard specifies the types, markings and series of truck cranes and tire cranes. JB/T 1375-1992 Classification of truck cra

JB/T 1373-1974 Technical requirements for electrical contacts JB/T1373-1974 Standard download decompression password: www.bzxz.net

This standard specifies the center elevation and installation dimensions of steam turbine generator sets. This standard applies to

This standard specifies the connection dimensions of steam turbines and steam turbine generators. This standard applies to 0.75-60

JB/T 1308.21-1999 This standard is a revision of JB 1328-73 "Pg (2500kgf/cm2) elbow type, size and technical requirements". This s

JB/T 1308.20-1999 This standard is a revision of JB 1327-73 "Pg (2500kgf/cm2) reducing tees and reducing crosses, types, dimension

JB/T 1308.19-1999 This standard is a revision of JB 1326-73 "Pg (2500kgf/cm2) equal tee, equal cross type, size and technical requ