Document Type and Number:
Japanese Patent JPH01101603
Kind Code:
U
Application Number:
JP19590487U
Publication Date:
July 07, 1989
Filing Date:
December 25, 1987
Export Citation:
International Classes:
B01D15/00; B01D17/00; C02F11/14; (IPC1-7): B01D17/00; B01D15/00; C02F11/14
Domestic Patent References:
| JPS5689890A | 1981-07-21 | |||
| JPS4899952U | 1973-11-26 |