LD/T 71.31-2000 Railway industrial pipeline worker labor standard setting

LD/T 71.8-2000 LD/T 71.8-2000 Railway industrial riveting labor quota establishment LD/T 71.15-2000 LD/T 71.15-2000 Railway industrial motor coil worker labor quota establishment LD/T 71.16-2000 LD/T 71.16-2000 Rail Industry Sheet Metal Worker Labor Standard Establishment LD/T 71.17-2000 Railway industrial electric motor insulation product labor standard setting LD/T 71.18-2000 Formulation of work quota of motor commutator for railway industry LD/T 71.19-2000 Formulation of work quota of motor winding for railway industry LD/T 71.21-2000 LD/T 71.22-2000 LD/T 71.22-2000 Railway industrial tooth-making labor quota development Part 1: Milling tooth labor quota development LD/T 71.23-2000 Roughing die-making labor time standard for rail industry gear production Part 2: Spur gear roughing labor time standard establishment LD/T 71.24-2000 Formulation of work quota of gear machining for railway industry Part 3:Formulation of work quota of gear hobbing LD/T 71.25-2000 Railway industrial tooth grinding labor quota development - Part 4: Grinding labor quota development LD/T 71.26-2000 Formulation of work quota of gear machining for railway industry Part 5:Formulation of work quota of gear planing LD/T 71.29-2000 LD/T 71.29-2000 Railway industrial vertical lathe processing labor quota development LD/T 71.30-2000 LD/T 71.30-2000 Rail industry spare parts skilled labor work quota development LD/T 71.34-2000 LD/T 71.35-2000 LD/T 71.35-2000 Railway industrial electroplating labor quota establishment LD/T 71.36-2000 LD/T 71.36-2000 is the standard for setting labor quotas for precision casting workers in the railway industry LD/T 71.37-2000 Formulation of work quota of spring for railway industry LD/T 71.38-2000 Railway industry sewing worker labor standard setting

LD/T 71.31-2019 LD/T 71.31-2019 Railway equipment manufacturing industry labor quota specialized pipeline processing for locomotives and vehicles