Home / Standards / GB/T 28533.1-2012 GB/T 28533.1-2012 Active Coupling connector for use in explosive gas atmospheres - Part 1: Type of protection “n” coupling connector 爆炸性气体环境用电气耦合连接器 第1部分:“n”型耦合连接器 Standard Type GBT ICS 29.260.20 CCS K35 Status 现行 Issue Date 2012-06-29 Implementation 2012-11-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A