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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4977809
Kind Code:
A
Application Number:
JP12038972A
Publication Date:
July 26, 1974
Filing Date:
November 30, 1972
Export Citation:
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International Classes:
B22F3/26; C22C29/02; C22C29/06; C22C29/16; C22C38/00