Home / Standards / GB/T 9800-1988 GB/T 9800-1988 Active Chromate conversion coatings on electroplated zinc and cadmium coatings 电镀锌和电镀镉层的铬酸盐转化膜 Standard Type GBT ICS 25.220.40 CCS A29 Status 现行 Issue Date 1988-09-05 Implementation 1989-09-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A