QB/T 2400-1998
Ribbed watch case back size series (English Version)
- Standard No.
- QB/T 2400-1998
- Language
- Chinese, Available in English version
- Release Date
- 1998
- Published By
- Professional Standard - Light Industry
- Status
- 2019-01
- Replace By
- QB/T 2400-2018
- Latest
- QB/T 2400-2018
- Scope
- This standard specifies a series of dimensions for watch backs with threads. This standard applies to watch back covers that are threaded to the watch case.
QB/T 2400-1998 history
- 2018 QB/T 2400-2018 Ribbed watch case back size series
- 1998 QB/T 2400-1998 Ribbed watch case back size series
