Home / Standards / GB/T 33069-2016 GB/T 33069-2016 Active Determination of 1-vinyl-2-pyrrolidinone homopolymer for industrial use 工业用聚N-乙烯基吡咯烷酮检测方法 Standard Type GBT ICS 71.080.80 CCS G31 Status 现行 Issue Date 2016-10-13 Implementation 2017-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A