Document Type and Number:
Japanese Patent JPS5521061
Kind Code:
U
Application Number:
JP10364478U
Publication Date:
February 09, 1980
Filing Date:
July 27, 1978
Export Citation:
International Classes:
G04G15/00; B01D46/10; B01D46/42; (IPC1-7): B01D46/10; B01D46/42; G04G15/00
Domestic Patent References:
| JP46017261U | ||||
| JPS51137177A | 1976-11-26 |