Home / Standards / GB/T 1748-1979 GB/T 1748-1979 Abolished Method of test for flexibility of putty coatings 腻子膜柔韧性测定法 Standard Type GBT ICS 87.060.30 CCS G50 Status 废止 Issue Date 1979-09-15 Implementation 1980-01-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A