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Tube coupling joint
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Patent number 9,091,374
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Issue date Jul 28, 2015
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Flowell Corporation
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Yohei Sekino
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Fusion joining device for plastic tubes
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Patent number 7,015,421
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Issue date Mar 21, 2006
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Flowell Corporation
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Hisaji Nakagawa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Joint for tubings
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Patent number 6,971,683
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Issue date Dec 6, 2005
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Flowell Corporation
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Hiroshi Mizukoshi
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Joint for coupling tubes
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Patent number 6,022,053
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Issue date Feb 8, 2000
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Flowell Corporation
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Shin-Ichi Hukuda
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...