Home / Standards / GB/T 7410-1987 GB/T 7410-1987 Abolished Terms of vitreous and porcelain enamels 搪瓷名词术语 Standard Type GBT ICS 25.220.50 CCS Y20 Status 废止 Issue Date 1987-03-14 Implementation 1987-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A