GB/T 37055.4-2020国家物品编码与基础信息通用规范生产资料第4部分:沥青标准
英文:National article numbering and basic information specification—Means of production—Part 4: Asphalt GB/T 37055.4-2020介...
英文:National article numbering and basic information specification—Means of production—Part 4: Asphalt GB/T 37055.4-2020介...