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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0367761
Kind Code:
B2
Inventors:
TSURUTA NOBORU
AIHARA MASAKI
Application Number:
JP29382987A
Publication Date:
October 24, 1991
Filing Date:
November 20, 1987
Export Citation:
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Assignee:
KAWASAKI STEEL CO
International Classes:
B21B1/22; B21B27/00; C21D7/04



 
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