Home / Standards / GB/T 7604-1987 GB/T 7604-1987 Abolished Determination of the aromatic hydrocarbon content in mineral insulating oils 矿物绝缘油芳烃含量测定法 Standard Type GBT ICS N/A CCS E38 Status Abolished Issue Date 1987-03-26 Implementation 1988-01-01 Centralized Committee 中国电力企业联合会 Issuing Authority 中国电力企业联合会