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Forging method for a hollow article
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Patent number 4,918,969
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Issue date Apr 24, 1990
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Nitto Kohki Co., Ltd.
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Hirosato Takeuchi
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Pallet changer
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Patent number 4,832,170
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Issue date May 23, 1989
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Nitto Kohki Co., Ltd.
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Hirosato Takeuchi
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Dispenser
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Patent number 4,829,889
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Issue date May 16, 1989
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Nitto Kohki Co., Ltd.
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Hirosato Takeuchi
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Clamping apparatus
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Patent number 4,771,999
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Issue date Sep 20, 1988
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Nitto Kohki Co. Ltd.
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Hirosato Takeuchi
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Clamping device
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Patent number 4,759,536
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Issue date Jul 26, 1988
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Nitto Kohki Co., Ltd.
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Hirosato Takeuchi
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Solar heat collector
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Patent number 4,653,471
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Issue date Mar 31, 1987
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Nitto Kohki Co., Ltd.
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Hirosato Takeuchi
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F24 - HEATING RANGES VENTILATING
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Solar heat collector
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Patent number 4,649,903
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Issue date Mar 17, 1987
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Nitto Kohki Co., Ltd.
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Hirosato Takeuchi
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F24 - HEATING RANGES VENTILATING
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Solar heat collector
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Patent number 4,440,156
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Issue date Apr 3, 1984
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Nitto Kohki Co., Ltd.
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Hirosato Takeuchi
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F24 - HEATING RANGES VENTILATING
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Solar collector system
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Patent number 4,364,373
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Issue date Dec 21, 1982
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Nitto Kohki Co.
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Hirosato Takeuchi
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F24 - HEATING RANGES VENTILATING