Document Type and Number:
Japanese Patent JPH0368763
Kind Code:
B2
Inventors:
WAKATSUKI KUNIHIKO
ASANO HIROYUKI
DEGAWA ICHIRO
ASANO HIROYUKI
DEGAWA ICHIRO
Application Number:
JP9663386A
Publication Date:
October 29, 1991
Filing Date:
April 28, 1986
Export Citation:
Assignee:
NIPPON STEEL CORP
International Classes:
B21B1/38; B21B37/00
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