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Osaka Bosui Construction Co., Ltd.

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of lining channels
    • Patent number 6,241,925
    • Issue date Jun 5, 2001
    • Tokyo Gas Co., Ltd.
    • Mitsutoshi Hayashi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for repairing buried pipe using a metal pipe and method for...
    • Patent number 6,089,276
    • Issue date Jul 18, 2000
    • Osaka Bosui Construction Co., Ltd.
    • Yasuo Miyazaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of inserting rigid plastic lining tube through pipe
    • Patent number 5,071,616
    • Issue date Dec 10, 1991
    • Osaka Bosui Construction Co., Ltd.
    • Yasuo Miyazaki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of lining pipes
    • Patent number 4,950,446
    • Issue date Aug 21, 1990
    • Osaka Gas Company Inc.
    • Namio Kinumoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

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