译：GB/T 12668.1-2002 Adjustable speed electrical power drive systems—Part 1:General requirements—Rating specifications for low voltage adjustable speed d.c power drive systems

译：GB/T 16825.1-2002 Verification of static uniaxial testing machines—Part 1:Tension/compression testing machines—Verification and calibration of the force-measuring system

译：GB/T 1227-2002 Accurate pressure gauge

译：GB/T 230.3-2002 Metallic rockwell hardness test—Part 3:Calibration of hardness reference blocks(scales A,B,C,D,E,F,G,H,K,N,T)

译：GB/T 18892-2002 Environment protect requirements of copying machines—Power-saving requirements of electrostatic process copier

译：GB/T 14598.16-2002 Electrical relays—Part 25:Electromagnetic emission tests for measuring relays and protection equipment

译：GB/T 18216.2-2002 Electrical safety in low voltage distribution systems up to 1000V a.c. and 1500V d.c.—Equipment for testing, measuring or monitoring of protective measuring—Part 2:Insulation resistance

译：GB/T 15969.5-2002 Programmable controllers—Part 5:Communications

译：GB/T 230.2-2002 Metallic rockwell hardness test—Part 2:Verification and calibration of hardness testers(scales A,B,C,D,E,F,G,H,K,N,T)

译：GB/T 18891-2002 Identification by hour numbers of the phase Conductors of 3-phase electric systems