Home / Standards / GB/T 12577-1990 GB/T 12577-1990 Active Refrigerator oils--Determination of floc point 冷冻机油絮凝点测定法 Standard Type GBT ICS 71.100.45 CCS E30 Status 现行 Issue Date 1990-12-14 Implementation 1991-10-01 Responsible Dept 国家标准委 Drafting Unit N/A