Document Type and Number:
Japanese Patent JPS52115972
Kind Code:
U
Application Number:
JP16220576U
Publication Date:
September 02, 1977
Filing Date:
December 02, 1976
Export Citation:
International Classes:
B01D39/00; B01D46/00; B01D46/42; (IPC1-7): B01D46/00
Domestic Patent References:
| JP44002261A |