SJ 1819-1981
Preferred series--Module, number of teeth,face width and diameter of datum apperture for fine-pitch gears (English Version)
- Standard No.
- SJ 1819-1981
- Language
- Chinese, Available in English version
- Release Date
- 1981
- Published By
- Professional Standard - Electron
- Latest
- SJ 1819-1981
SJ 1819-1981 history
- 1981 SJ 1819-1981 Preferred series--Module, number of teeth,face width and diameter of datum apperture for fine-pitch gears
