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Access floor system
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Patent number 5,848,506
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Issue date Dec 15, 1998
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Om Kiki Kabushiki Kaisha
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Tokuzo Kobayashi
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E04 - BUILDING
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Free access floor panel
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Patent number D342330
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Issue date Dec 14, 1993
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O M Kiki Co., Ltd.
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Tokuzo Kobayashi
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D25 - Building units and construction elements
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Free access floor panel
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Patent number 5,115,621
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Issue date May 26, 1992
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O M Kiki Co., Ltd.
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Tokuzo Kobayashi
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E04 - BUILDING
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Free access floor panel
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Patent number 4,856,256
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Issue date Aug 15, 1989
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O M Kiki Co., Ltd.
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Kobayashi Tokuzo
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E04 - BUILDING
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Free-access floor
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Patent number 4,850,163
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Issue date Jul 25, 1989
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O M Kiki Co., Ltd.
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Tokuzo Kobayashi
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E04 - BUILDING