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| International Standard Category: Rolling bearings |
JB/T 9145-1999 Hard metal balls
硬质合金球 ;
| Category No.: | 21.100.20 | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1999-06-28 | |
| Implemented Date: | 2000-1-1 | Abolished Date: | |
| Superseded Standard.: | JB/T 9145-2010 Rolling bearings-Cemented carbide balls |
Superseded Date: | 2010-7-1 |
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