GJB 817A-2020
Specification for mechanical clocks for use on ships (English Version)
- Standard No.
- GJB 817A-2020
- Language
- Chinese, Available in English version
- Release Date
- 2020
- Published By
- /
- Latest
- GJB 817A-2020
GJB 817A-2020 history
- 2020 GJB 817A-2020 Specification for mechanical clocks for use on ships
- 1990 GJB 817-1990 Mechanical clock for ships
