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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5039700
Kind Code:
A
Application Number:
JP9091573A
Publication Date:
April 11, 1975
Filing Date:
August 15, 1973
Export Citation:
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International Classes:
C04B35/26; C01G49/00; H01F1/34; (IPC1-7): C01G49/00; C04B35/26



 
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