Document Type and Number:
Japanese Patent JPH03123523
Kind Code:
U
Application Number:
JP3082890U
Publication Date:
December 16, 1991
Filing Date:
March 26, 1990
Export Citation:
International Classes:
B01D63/08; B01D39/16; B01D71/32; (IPC1-7): B01D63/08; B01D39/16; B01D71/32
Domestic Patent References:
| JPS6372306A | 1988-04-02 |