Light underground drill rig power head (Chinese)
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2021
- Patent / Electronic Resource
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Title:Light underground drill rig power head
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Additional title:一种轻型坑道钻机用动力头
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Patent number:CN113685130
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Patent applicant:
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Patent family:
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Contributors:ZHANG SHIWEN ( author ) / CHEN HAO ( author )
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Publisher:
- New search for: Europäisches Patentamt
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Publication date:2021-11-23
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Type of media:Patent
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Type of material:Electronic Resource
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Language:Chinese
- New search for: E21B / F16J
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Classification:
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Source: