General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 7631.5-1989
Scope
This standard specifies the detailed classification of products in group M (metal processing) in class L (lubricants and related products), and it is a part of GB7631. This standard should be understood in conjunction with the GB7631.1 standard. In order to clarify the text and avoid misunderstandings, the following appendix is added: Appendix A Classification of Group M products by scope of use. Appendix B is a classification table of product varieties of Group M by nature and characteristics.
GB/T 7631.5-1989 history
1989GB/T 7631.5-1989 Lubricants and related products (class L)--Classification--Part 5:Family M (Metalworking)