Home / Standards / GB/T 41191-2021 GB/T 41191-2021 Active Flare for biogas engineering 沼气工程火焰燃烧器 Standard Type GBT ICS 27.060.20 CCS P47 Status 现行 Issue Date 2021-12-31 Implementation 2022-07-01 Responsible Dept 农业农村部 Drafting Unit N/A