Home / Standards / GB/T 12006.4-1989 GB/T 12006.4-1989 Active Polyamide homopolymers--Determination of matter extractable by boiling methanol 聚酰胺均聚物 沸腾甲醇可提取物测定方法 Standard Type GBT ICS 83.080 CCS G31 Status 现行 Issue Date 1989-12-25 Implementation 1990-11-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A