4. Pipes and tubular conduits
  5. Repairing
  6. Patches

Hisashi Kitajima

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Boring-injection device, method for improving ground by means of

Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent

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Method for cutting off water in pipeline and structure of connec

Pipe joints or couplings – Connector for conduit housing electromagnetic line: – Having box and connector
Patent

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Method for injecting grouting agent and apparatus for conducting

Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent

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Method for water leakage prevention in pipeline

Pipes and tubular conduits – Repairing – Patches
Patent

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Profile ID: LFUS-PAI-P-992939

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