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Suction-holding device
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Patent number 7,004,521
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Issue date Feb 28, 2006
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Ishii Chokokogu Mfg. Co., Ltd.
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Akinori Ishii
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B66 - HOISTING LIFTING HAULING
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Tile cutter
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Patent number 6,953,036
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Issue date Oct 11, 2005
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Ishii Chokokogu Mfg. Co., Ltd.
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Akinori Ishii
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B28 - WORKING CEMENT, CLAY, OR STONE
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74485552
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Serial number 74485552
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Registration number 1944963
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Filing date Feb 2, 1994
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ISHII CHOKOKOGU MFG. CO., LTD.
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8 - Hand tools and implements (hand-operated)