Derniers inventions, produits et services
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2019
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Invention
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Hollow rotary drilling mechanism with combination of vane motor driving and planetary gear speed ... |
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Invention
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Magnetic levitation compressor. Disclosed is a magnetic levitation compressor, comprising a housi... |
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Invention
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Magnetic suspension compressor flow regulating device. A magnetic suspension compressor flow regu... |
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2018
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Invention
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Closed hydraulic rock drill. A closed hydraulic rock drill, comprising an outer cover (2), a bit ... |
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Invention
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Enclosed hydraulic rock drill working system. An enclosed hydraulic rock drill working system, co... |
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