Home / Standards / GB/T 34661-2017 GB/T 34661-2017 Active Explosion protected technique requirements for vapour recovery system 油气回收系统防爆技术要求 Standard Type GBT ICS 29.260.20 CCS K35 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A