Document Type and Number:
Japanese Patent JPS5440541
Kind Code:
Y2
Application Number:
JP16976975U
Publication Date:
November 29, 1979
Filing Date:
December 15, 1975
Export Citation:
International Classes:
B01D17/028; B01D17/02; B01D17/04; C02F1/40; C10G33/06; (IPC1-7): B01D17/02