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| International Standard Category: Other machine tools |
JB/T 3993-1999 Gear Grinding Machine with Worm Wheel Accuracy Inspection
蜗杆砂轮磨齿机 精度检验 ;
| Category No.: | 25.080.99 | Valid Status: | superseded |
| Issued Organization: | 全国金属切削机床标委会磨床分会 | Issued Date: | 1999-05-20 |
| Implemented Date: | 2000-1-1 | Abolished Date: | |
| Superseded Standard.: | JB/T 3989.6-2017 Involute cylindrical gear grinding machines-Part 6: Gear grinders with worm-shaped grinding wheel-Testing of the accuracy |
Superseded Date: | 2017-10-1 |
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