Home / Standards / GB/T 34765-2017 GB/T 34765-2017 Abolished Determination of mineral fulvic acids content 矿物源黄腐酸含量的测定 Standard Type GBT ICS 65.080 CCS G20 Status 废止 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A