TUBE ROLLING METHOD - NIPPON STEEL CORP

Title:

TUBE ROLLING METHOD

Document Type and Number:

Japanese Patent JPS51132158

Kind Code:

A

Inventors:

JIYOUJIMA MASAHIRO
AIDA TERUO
YOSHIHARA SEISHIROU
YOSHIZAWA MITSUO

Application Number:

JP4952275A

Publication Date:

November 17, 1976

Filing Date:

April 23, 1975

Export Citation:

Assignee:

NIPPON STEEL CORP

International Classes:

B21B17/08; B21B23/00

Domestic Patent References:

JPS4933864A

1974-03-28

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