
低压开关设备和控制设备 第7-2 部分:辅助器件铜导体的保护导体接线端子排
Low-voltage switchgear and controlgear-Part 7-2:Ancillary equipment-Protective conductor terminal blocks for copper conductors
Low-voltage switchgear and controlgear-Part 7-2:Ancillary equipment-Protective conductor terminal blocks for copper conductors
Reference neutron radiations-Part 2:Calibration fundamentals of radiation protection devices relatednto the basic quantities characterizing the radiation field
Reference neutron radiations-Part 1:Characteristics and methods of production
Evaluation of surface contamination-Part 1:Beta-emitters(maximum beta energy greater than 0.15 MeV)and alpha emitters
Types and dimensions of lamp caps-Part 1:Screw caps
Apparatus for gamma radiography
Decontamination of radioactively contaminated surface-Part 2:Testing method of decontamination agents for textiles
Decontamination of radioactively contaminated surfaces-Part 1:Method for testing and assessing the ease of decontamination
General specification of head stack assembly for hard disk drive
He-Ne laser specification