COMPOSITE SQUARE PIPE - NIPPON KOKAN KK

Title:

COMPOSITE SQUARE PIPE

Document Type and Number:

Japanese Patent JPS6229655

Kind Code:

A

Inventors:

SUGAMASA TETSUO
KOJIMA SHINJI
SUGIMOTO YUJI
OZAWA SADAO
OWAKI JOJI
SEKINE YUKIO

Application Number:

JP16675985A

Publication Date:

February 07, 1987

Filing Date:

July 30, 1985

Export Citation:

Assignee:

NIPPON KOKAN KK

International Classes:

B21C37/06; B21C37/15; E04C3/04; (IPC1-7): B21C37/06; B21C37/15; E04C3/04

Attorney, Agent or Firm:

Shozo Yoshihara

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