Derniers inventions, produits et services
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2014
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Invention
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R-θ table device, internal-thread processing device, and variable crank device. Provided is an R... |
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2013
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Invention
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Machining method for female screw and device for same. In the present invention, when a female sc... |
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2004
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Invention
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Method of manufacturing part with internal gear and rolling machine. A method of manufacturing a ... |
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1988
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Invention
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Method and apparatus for plastically forming helical internal gears and helical gears. The presen... |
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1984
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Invention
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Apparatus for forming metallic article by cold extrusion. A method and apparatus for cold working... |
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