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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS5523737
Kind Code:
Application Number:
Publication Date:
June 06, 1980
Filing Date:
December 17, 1974
Export Citation:
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International Classes:
B30B9/32; B21C23/01; B22D7/00; B22D17/00; B22D18/02; B22D19/00; B30B11/02; (IPC1-7): B22D19/00; B21C23/01; B30B11/02

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