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Lateral pipe-lining method
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Patent number 9,200,742
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Issue date Dec 1, 2015
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Shonan Gosei-Jushi Seisakusho K.K.
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Takao Kamiyama
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Lining material and pipeline lining method
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Patent number 8,025,461
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Issue date Sep 27, 2011
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Shonan Gosei-Jushi Seisakusho K.K.
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Takao Kamiyama
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Lining material and pipeline lining method
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Patent number 7,708,033
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Issue date May 4, 2010
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Shonan Gosei-Jushi Seisakusho K.K.
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Fuminori Tanaka
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...