译：GB/T 17881-1999 Technical specifications of SDH transmission interface for broadcasting and television optical backbone network

译：GB/T 2421-1999 Environmental testing for electric and electronic products—Part 1:General and guidance

译：GB/T 17882-1999 Alternating current static var-hour meters for reactive energy (classes 2 and 3)

译：GB/T 17886.2-1999 Shunt power capacitors of the non-self-healing type for a.c. systems having a rated voltage up to and including 1kV—Part 2:Ageing test and destruction test

译：GB/T 2423.50-1999 Environmental testing for electric and electronic products—Part 2:Tests—Test Cy:Damp heat, steady state, accelerated test primarily intended test primarily intended for components

译：GB/T 17884-1999 Electronic ripple control receiver for tariff and load control

译：GB/T 17886.3-1999 Shunt power capacitors of the non-self-healing type for a.c. systems having a rated voltage up to and including 1kV—Part 3:Internal fuses

译：GB/T 17887-1999 Industrial robots—Automatic end effector exchange systems—Vocabulary and presentation of characteristics

译：GB/T 17883-1999 Alternating current static watt-hour meters for active energy (classes 0.2S and 0.5S)

译：GB/T 17995-1999 Guidelines for administrative, medical, and nursing staff concerned with the safe use of medical electrical equipment