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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0346204
Kind Code:
B2
Application Number:
JP9449487A
Publication Date:
July 15, 1991
Filing Date:
April 17, 1987
Export Citation:
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Assignee:
SUMITOMO JUKIKAI KOGYO KK
SUMITOMO KINZOKU KOGYO KK
International Classes:
B21B31/08; B21B19/02; B21B31/07