Document Type and Number:
Japanese Patent JPS5258881
Kind Code:
U
Application Number:
JP14740875U
Publication Date:
April 28, 1977
Filing Date:
October 28, 1975
Export Citation:
International Classes:
B01D46/04; B01D46/02; (IPC1-7): B01D46/02
Domestic Patent References:
| JPS478843A |