Home / Standards / GB/T 12007.2-1989 GB/T 12007.2-1989 Abolished Epoxide resins--Determination of sodium ion 环氧树脂钠离子测定方法 Standard Type GBT ICS 83.080 CCS G31 Status 废止 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