QB/T 3540.4-1999
Principles of numbering of sewing machine product drawings and design documents (English Version)
- Standard No.
- QB/T 3540.4-1999
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Light Industry
- Latest
- QB/T 3540.4-1999
- Scope
- Sewing machine product drawings and design documents should be numbered according to the principles of this document. There are two types of numbers for sewing machine product drawings and design documents: subordinate numbers and classification numbers. Subordinate numbers are applicable to products produced in small batches or single pieces. For products with many products of the same type and high degree of standardization of spare parts and components, it is recommended to use classification numbers. Enterprises can choose to adopt them according to their respective conditions.
QB/T 3540.4-1999 history
- 1970 QB/T 3540.4-1999 Principles of numbering of sewing machine product drawings and design documents
