Home / Standards / GB 12835-2001 GB 12835-2001 Abolished Rubber base valves 胶座气门嘴 Standard Type GB ICS 83.160.30 CCS G41 Status 废止 Issue Date 2001-11-12 Implementation 2002-08-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A