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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5028499
Kind Code:
A
Application Number:
JP8044373A
Publication Date:
March 24, 1975
Filing Date:
July 19, 1973
Export Citation:
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International Classes:
C01G17/00; C01G21/00; C30B15/04; C30B29/32; G02B1/02; G02F1/03; G02F1/05; (IPC1-7): B01J17/18



 
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