JPS60139992A - 既設管の管継手部補修時における樹脂および樹脂搬送ピグの管内導入装置 - Google Patents

Info

Publication number

JPS60139992A

JPS60139992A JP58246623A JP24662383A JPS60139992A JP S60139992 A JPS60139992 A JP S60139992A JP 58246623 A JP58246623 A JP 58246623A JP 24662383 A JP24662383 A JP 24662383A JP S60139992 A JPS60139992 A JP S60139992A

Authority

JP

Japan

Prior art keywords

resin

pipe

vig

conduit

existing

Prior art date

1983-12-28

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Granted

Links

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