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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0318526
Kind Code:
B2
Inventors:
YOSHIHARA SEISHIRO
KAWANAMI TAKAO
Application Number:
JP15873684A
Publication Date:
March 12, 1991
Filing Date:
July 31, 1984
Export Citation:
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Assignee:
NIPPON STEEL CORP
International Classes:
B21H1/18; B21B19/16; B21C3/02; B21J7/16; B21J7/18



 
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