Derniers inventions, produits et services
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2014
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Invention
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Heat exchanger. The invention provides a heat exchanger, comprising a casing with a structure of ... |
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2012
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Invention
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Dehumidifier having flat plate air-to-air heat exchanger. A dehumidifier includes a suction unit,... |
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2011
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Invention
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Heat exchanger. A heat exchanger comprises a casing designed as a hollow box by a top plate, a bo... |
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2007
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Invention
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Machine for spectacle lens. A machine for spectacle lens, comprising a lens holding unit for hold... |
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1997
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Invention
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Buffing machine for lens. The present invention provides a buffing machine for lens, which compri... |
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