Home / Standards / GB 5959.7-1987 GB 5959.7-1987 Abolished Safety in electroheat installations--Part 7:Particular requirements for installations with electron guns 电热设备的安全 第七部分:对具有电子枪的电热设备的特殊要求 Standard Type GB ICS 25.180.10 CCS K61 Status 废止 Issue Date 1987-07-28 Implementation 1988-01-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A