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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5144699
Kind Code:
B2
Application Number:
JP9702072A
Publication Date:
November 30, 1976
Filing Date:
September 29, 1972
Export Citation:
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International Classes:
B01D53/50; B01D53/34; B01D53/77; C02F1/04; C02F1/06; B01D3/06; B01D53/14; (IPC1-7): B01D53/34