Working face through-cut tunneling construction once-tunneling process (English)
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2016
- Patent / Electronic Resource
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Title:Working face through-cut tunneling construction once-tunneling process
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Patent number:CN105257296
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Patent applicant:
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Patent family:
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Contributors:SONG XIAOPING ( author ) / WANG JING ( author ) / LI FENGTING ( author ) / CHENG YUAN ( author ) / ZHANG XIANGYANG ( author ) / LI JIANWEI ( author ) / BAI CHUNE ( author )
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Publisher:
- New search for: Europäisches Patentamt
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Publication date:2016-01-20
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Type of media:Patent
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Type of material:Electronic Resource
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Language:English
- New search for: E21D
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Classification:
IPC: E21D SHAFTS, Schächte -
Source: