Home / Standards / GB/T 2913-1982 GB/T 2913-1982 Active Test for whiteness of plastics 塑料白度试验方法 Standard Type GBT ICS 83.080 CCS G31 Status 现行 Issue Date 1982-03-02 Implementation 1983-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A