jb7993
jb7993, Total:2 items.
The international standard classification for "jb7993" includes: Abrasives .
The Chinese standard classification for "jb7993" includes: Grinding material and apparatus .
Professional Standard - Machinery
- JB/T 7993-1999 Boron carbide Method for chemical analysis
- JB/T 7993-2012 Chemical analysis methods for boron carbide