Home / Standards / GB/T 7631.8-1990 GB/T 7631.8-1990 Active Lubricants and related products (class L)--Classification--Part 8:Family X (Greases) 润滑剂和有关产品(L类) 的分类 第8 部分:X 组 (润滑脂) Standard Type GBT ICS 75.100 CCS E30 Status 现行 Issue Date 1990-12-30 Implementation 1991-11-01 Responsible Dept 国家标准委 Drafting Unit N/A