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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS497840
Kind Code:
B1
Application Number:
JP1025963A
Publication Date:
February 22, 1974
Filing Date:
March 05, 1963
Export Citation:
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International Classes:
B01D21/01; C02F1/54; C08F251/00; C08F291/18



 
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