Document Type and Number:
Japanese Patent JPH0224602
Kind Code:
B2
Inventors:
HATAKEYAMA SHIRO
Application Number:
JP17521183A
Publication Date:
May 30, 1990
Filing Date:
September 24, 1983
Export Citation:
Assignee:
KAWASAKI STEEL CO
International Classes:
B21B19/02; B21B19/04; B21B23/00; B21B25/00; B21B35/00
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