【発明の名称】管の取替接続方法 - ISHIKAWAJIMA HARIMA JUKOGYO KK

Title:

【発明の名称】管の取替接続方法

Document Type and Number:

Japanese Patent JP2794814

Kind Code:

B2

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Inventors:

YAMADA MINORU
TEJIMA AKIO
SAITO TATSUO

Application Number:

JP21998389A

Publication Date:

September 10, 1998

Filing Date:

August 25, 1989

Export Citation:

Assignee:

ISHIKAWAJIMA HARIMA JUKOGYO KK

International Classes:

B23K31/00; B23K9/00; B23K33/00; F16L13/02; (IPC1-7): B23K33/00; B23K9/00; B23K31/00; F16L13/02

Domestic Patent References:

Attorney, Agent or Firm:

Tsunemitsu Yamada (1 person outside)

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