Home / Standards / GB 26569-2011 GB 26569-2011 Active Civil coalbed methane (coal mine gas) 民用煤层气(煤矿瓦斯) Standard Type GB ICS 75.160 CCS D20 Status 现行 Issue Date 2011-06-16 Implementation 2011-11-01 Responsible Dept 国家矿山安监局 Drafting Unit 国家矿山安监局