Tapping device for bolt production and machining
The tapping device for bolt production and machining comprises a base, the left portion and the right portion of the lower end of the base are each fixedly provided with a set of supporting columns, the lower ends of the two sets of supporting columns are each fixedly provided with an anti-skid base...
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Hauptverfasser: | , , , |
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Format: | Patent |
Sprache: | chi ; eng |
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Online-Zugang: | Volltext bestellen |
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