- Patent JPS6120365

Document Type and Number:

Japanese Patent JPS6120365

Kind Code:

B2

Inventors:

NAKADA TAKESHI
SAKANE TAKEYOSHI
SHIRAISHI HIROAKI

Application Number:

JP3521479A

Publication Date:

May 22, 1986

Filing Date:

March 26, 1979

Export Citation:

Assignee:

SUMITOMO METAL IND

International Classes:

B21B19/04

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