This part of GB/T37055 specifies the code composition, classification code, reference name code, attribute code, code use requirements, code management and maintenance, and basic information of asphalt in the production materials. This part applies to the processing and exchange of bitumen product information in the process of economic activities, and the establishment and information exchange of bitumen information management system can be used as a reference.
GB/T 37055.4-2020 Referenced Document
GB/T 10113-2003 Definition of common terms used in classification and coding
GB/T 37055.4-2020 history
2020GB/T 37055.4-2020 National article numbering and basic information specification—Means of production—Part 4: Asphalt