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Dealing board
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Patent number 5,666,409
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Issue date Sep 9, 1997
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Hitachi Telecom Technologies, Ltd.
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Junichi Tanji
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Key unit
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Patent number 5,661,793
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Issue date Aug 26, 1997
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Hitachi Telecom Technologies, Ltd.
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Junichi Tanji
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Dealing board
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Patent number 5,418,850
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Issue date May 23, 1995
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Hitachi Telecom Technologies, Ltd.
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Junichi Tanji
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...