Derniers inventions, produits et services
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2015
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Invention
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Hydraulic hoisting system and method. Disclosed is a hydraulic hoisting system for moving materia... |
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2014
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Invention
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Hydraulic hoisting system and method. Disclosed is a hydraulic hoisting system for mov... |
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2006
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P/S
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Mine construction, namely, shaft sinking, raise boring and alimak raising, soft ground and hard r... |
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2004
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P/S
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Designing and engineering mines; turn-key mine development; shaft sinking; electro-mechanical min... |
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P/S
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Shaft sinking; electro-mechanical mine installations; raise boring and alimak raising; mining of ... |
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