Home / Standards / GB/T 35112-2017 GB/T 35112-2017 Active Humic-acids and fulvic-acids materials products for agricultural use—Classification 农业用腐殖酸和黄腐酸原料制品 分类 Standard Type GBT ICS 65.080 CCS G20 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A