Drilling support for constructional engineering (Chinese)
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2021
- Patent / Electronic Resource
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Title:Drilling support for constructional engineering
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Additional title:一种建筑工程用钻孔支架
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Patent number:CN112571635
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Patent applicant:
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Patent family:
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Contributors:LIU YAN ( author )
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Publisher:
- New search for: Europäisches Patentamt
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Publication date:2021-03-30
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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: B28D
- Further information on International Patent Classification
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Classification:
IPC: B28D Bearbeiten von Stein oder steinähnlichen Werkstoffen, WORKING STONE OR STONE-LIKE MATERIALS -
Source: