译：GB/T 3804-2004 High-voltage alternating-current switches for rated voltage above 3.6 kV and less than 40.5 kV

译：GB/T 19520.9-2004 Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6mm(19in)series—Part 5-104:Subracks and associated plug-in units—Keying

译：GB/T 19520.3-2004 Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6 mm(19in)series—Part 3:Subracks and associated plug-in units

译：GB/T 19520.6-2004 Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6mm(19in)series—Part 5-101:Subracks and associated plug-in units—Injector/extractor handle

译：GB/T 19520.7-2004 Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6mm(19in)series—Part 5-102:Subracks and associated plug-in units—Electromagnetic shielding provision

译：GB/T 19520.4-2004 Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6mm(19in)series—Part 4:Subracks and associated plug-in units—Additional dimensions

译：GB/T 19509-2004 Saw type gin for testing cotton content

译：GB/T 4585-2004 Artificial pollution tests on high-voltage insulators to be used on a.c systems

译：GB/T 3859.4-2004 Semiconductor converter—Self-commutated semiconductor converters including direct d.c.converters

译：GB/T 19520.8-2004 Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6mm(19in)series—Part 5-103:Subracks and associated plug-in units—Electrostatic discharge protection