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Document Type and Number:
Japanese Patent JPH0377004
Kind Code:
B2
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Inventors:
SUZUKI HIDEO
Application Number:
JP1866985A
Publication Date:
December 09, 1991
Filing Date:
February 04, 1985
Export Citation:
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Assignee:
NIPPON STEEL CORP
International Classes:
B21B19/04



 
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