Method for manufacturing high-torque hexagonal drill shank (English)
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2023
- Patent / Electronic Resource
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Title:Method for manufacturing high-torque hexagonal drill shank
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Patent number:US11801575
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Patent applicant:
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Patent family:
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Contributors:JIANG NING ( author )
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Publisher:
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Publication date:2023-10-31
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Type of media:Patent
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Type of material:Electronic Resource
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Language:English
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