Document Type and Number:
Japanese Patent JPH0165621
Kind Code:
U
Application Number:
JP15862587U
Publication Date:
April 26, 1989
Filing Date:
October 16, 1987
Export Citation:
International Classes:
B01D41/04; (IPC1-7): B01D41/04
Domestic Patent References:
JPS5216768B2 | 1977-05-11 | |||
JP54083068B | ||||
JPS6217311B2 | 1987-04-16 |
Next Patent: JPH0165622