Digging and anchoring equipment (Chinese)
Free access
- New search for: JIA CHANGHAO
- New search for: JIA MIN
- New search for: JIA CHANGHAO
- New search for: JIA MIN
2023
- Patent / Electronic Resource
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Title:Digging and anchoring equipment
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Additional title:掘锚设备
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Patent number:CN115898391
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Patent applicant:
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Patent family:
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Contributors:JIA CHANGHAO ( author ) / JIA MIN ( author )
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Publisher:
- New search for: Europäisches Patentamt
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Publication date:2023-04-04
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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: E21C / E21D / E21F
- Further information on International Patent Classification
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Classification:
IPC: E21C Bergbau oder Steinbruchbetrieb, MINING OR QUARRYING / E21D SHAFTS, Schächte / E21F Sicherheitsvorrichtungen, Förderung, Auffüllen oder Bergversatz, Rettungswesen, Bewetterung oder Entwässerung in oder von Gruben oder Tunnels, SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS -
Source: