Home / Standards / GB/T 10879-2009 GB/T 10879-2009 Abolished Valves for dissolved acetylene cylinders 溶解乙炔气瓶阀 Standard Type GBT ICS 23.020.30 CCS J76 Status 废止 Issue Date 2009-06-25 Implementation 2010-04-01 Responsible Dept 国家标准委 Drafting Unit N/A