QB/T 2449-1999
Dimension series of watch gemstone components (English Version)
- Standard No.
- QB/T 2449-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Light Industry
- Latest
- QB/T 2449-1999
- Scope
- This standard specifies the size series of gemstone components in watches and clocks (referred to as gemstone components). This standard applies to the size series of gemstone components for clocks, watches, and stopwatches, and can also be used for instruments and other purposes.
QB/T 2449-1999 history
- 1999 QB/T 2449-1999 Dimension series of watch gemstone components
