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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6315963
Kind Code:
B2
Inventors:
UCHIDA MASATOSHI
Application Number:
JP15782181A
Publication Date:
April 07, 1988
Filing Date:
October 03, 1981
Export Citation:
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Assignee:
NIPPON STEEL CORP
International Classes:
C21B5/00