Document Type and Number:
Japanese Patent JPS5027772
Kind Code:
A
Application Number:
JP6102474A
Publication Date:
March 22, 1975
Filing Date:
May 31, 1974
Export Citation:
International Classes:
B01D53/50; B01D53/77; C01B17/60; (IPC1-7): C01B17/60
Domestic Patent References:
| JPS4713409A |