GB/T 7631.18-2017润滑剂、工业用油和有关产品(L类)的分类第18部分:Y组(其他应用)国家标准
英文:Lubricants,industrial oils and related products(class L)—Classification—Part 18:Family Y(Miscellaneous) GB/T 7631.18-...
英文:Lubricants,industrial oils and related products(class L)—Classification—Part 18:Family Y(Miscellaneous) GB/T 7631.18-...