JB/T 8488.4-1999 JB/T 8488.4-1999 Technical conditions for relief gear lathes JB/T8488.4-1999 Standard download decompression pass

JB/T 8488.3-1999 This standard is a revision of JB/Z 137-79 "Shovel Gear Lathe Series". This standard is a concretization and supp

JB/T 8488.2-1999 This standard is a revision of JB 2586-79 "Parameters of Shovel Gear Lathes". During the revision, only editorial

This standard is a revision of GB 10929-89 "Precision of Sliding Gear Lathes". This standard specifies the requirements for geomet

This standard specifies the requirements for the design, manufacture and acceptance of piston lathes. This standard is applicable

From the date of entry into force of this standard, JB/GQ 1056-85 "Precision of Piston Lathes" shall be invalidated. This standard

This standard specifies the requirements for the manufacture and acceptance of CNC universal tool milling machines. This standard

This standard specifies the requirements and inspection methods for the geometric accuracy and working accuracy of CNC universal t