This standard specifies the product varieties, specifications, technical requirements, test methods, inspection rules, marking and

This standard is a revision of JB 1590-83. This revision supplements and improves the original standard and implements my country'

This standard is a revision of JB1582-85. This standard specifies various inspection procedures, defect signal classification, def

This standard is a revision of JB 1581-85, with major changes in technical content and writing rules. This standard stipulates the

This standard specifies the requirements and inspection methods for the geometric accuracy and working accuracy of precision horiz

This standard is applicable to the rapid thermal aging test of electrical insulation impregnation paint and varnished cloth with s

This standard applies to the porcelain sleeves for arc extinguishing chambers and support porcelain sleeves (hereinafter referred

JB/T 7936-1999 JB/T 7936-1999 Straight profile toroidal worm reducer JB/T7936-1999 Standard download decompression password: www.b