METHOD OF LAYING INNER PIPE INTO DUCT - NIPPON TELEGRAPH & TELEPHONE

Title:

METHOD OF LAYING INNER PIPE INTO DUCT

Document Type and Number:

Japanese Patent JPS60104881

Kind Code:

A

Inventors:

SAWADA JIYUN
MIWA MICHIHIKO
KURATANI KOUICHI

Application Number:

JP21279783A

Publication Date:

June 10, 1985

Filing Date:

November 12, 1983

Export Citation:

Assignee:

NIPPON TELEGRAPH & TELEPHONE

International Classes:

F16L1/00; F16L7/00; (IPC1-7): F16L1/00; F16L7/00

Domestic Patent References:

JPS4834437A

1973-05-18

Attorney, Agent or Firm:

Tomio Ikeda

Previous Patent: JPS60104880

Next Patent: CORROSION-RESISTANT DOUBLE PIPE STRUCTURE