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Method for linking segments and linking tool
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Patent number 8,360,684
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Issue date Jan 29, 2013
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Shonan Gosei-Jushi Seisakusko 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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Existing pipe rehabilitation method
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Patent number 8,240,339
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Issue date Aug 14, 2012
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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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Method for rehabilitating a manhole
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Patent number 7,955,026
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Issue date Jun 7, 2011
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Shonan Gosei-Jushi Seisakusho K.K.
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Takao Kamiyama
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Pipeline lining method
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Patent number 7,713,374
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Issue date May 11, 2010
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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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Segment for rehabilitating pipe assembly
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Patent number 7,017,613
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Issue date Mar 28, 2006
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Shonan Gosei-Jushi Seisakusho K.K.
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Katsuyori Miura
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...