Home / Standards / GB/T 26715-2011 GB/T 26715-2011 Active Biogas valve 沼气阀 Standard Type GBT ICS 65.060.35 CCS Y71 Status 现行 Issue Date 2011-06-16 Implementation 2011-12-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会