Document Type and Number:
Japanese Patent JPS54141571
Kind Code:
U
Application Number:
JP3861778U
Publication Date:
October 01, 1979
Filing Date:
March 25, 1978
Export Citation:
International Classes:
B01D46/52; A47L9/12; A47L9/20; (IPC1-7): B01D46/52; A47L9/12
Domestic Patent References:
| JPS5148823U | 1976-04-12 | |||
| JPS5131176U | 1976-03-06 | |||
| JPS4839178U | 1973-05-15 |