Home / Standards / GB/T 9988-1988 GB/T 9988-1988 Abolished Test method for alkali resistance of porcelain enamels 搪瓷耐碱性能测试方法 Standard Type GBT ICS 25.220.50 CCS Y26 Status 废止 Issue Date 1988-12-10 Implementation 1989-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A