Document Type and Number:
Japanese Patent JPS56106803
Kind Code:
U
Application Number:
JP315480U
Publication Date:
August 19, 1981
Filing Date:
January 16, 1980
Export Citation:
International Classes:
C02F1/469; B01D61/50; C02F1/46; (IPC1-7): B01D13/02; C02F1/46
Domestic Patent References:
| JPS5416914U | 1979-02-03 |