QC/T 434-1999
Test methods for spark plug porcelain insulators - Test methods for bulk density (English Version)
- Standard No.
- QC/T 434-1999
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- Professional Standard - Automobile
- Status
- 2013-09
- Replace By
- QC/T 431-2013
- Latest
- QC/T 431-2013
QC/T 434-1999 history
- 2013 QC/T 431-2013 Spark plug ceramic insulator specifications
- 1989 QC/T 434-1999 Test methods for spark plug porcelain insulators - Test methods for bulk density
QC/T 434-1999 Test methods for spark plug porcelain insulators - Test methods for bulk density was changed to QC/T 431-2013 Spark plug ceramic insulator specifications.
