Home / Standards / GB/T 6653-2017 GB/T 6653-2017 Active Steel plates and strips for welded gas cylinders 焊接气瓶用钢板和钢带 Standard Type GBT ICS 77.140.50 CCS H46 Status 现行 Issue Date 2017-12-29 Implementation 2018-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A