CONDUIT LINE RENOVATION METHOD

PROBLEM TO BE SOLVED: To provide a conduit line renovation method in which an operation in which a spacer is fixed on an inner surface of an existing tube by an anchor bolt or the like can be omitted, and a renovation tube is made to have a degree of freedom by aperture tube making, and thereby the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NISHIJIMA KENTARO, MASUTANI HIDETOSHI, NAKAMURA RYOICHIRO
Format: Patent
Sprache:eng
Schlagworte:
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