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Wireless identification tag
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Patent number 8,514,060
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Issue date Aug 20, 2013
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Mitomo Corporation
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Kikuo Kaga
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B28 - WORKING CEMENT, CLAY, OR STONE
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Wireless identification tag
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Patent number 8,149,121
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Issue date Apr 3, 2012
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Mitomo Corporation
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Kikuo Kaga
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B28 - WORKING CEMENT, CLAY, OR STONE
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