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Pipe joint
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Patent number 7,090,256
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Issue date Aug 15, 2006
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Inoue Sudare Co., Ltd.
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Hiroshi Inoue
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipe joint
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Patent number 6,726,253
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Issue date Apr 27, 2004
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Higashio Mech Co., LTD
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Hiroshi Inoue
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipe joint
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Patent number 6,443,500
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Issue date Sep 3, 2002
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Higashio Mech Co., LTD
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Hiroshi Inoue
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...