Document Type and Number:
Japanese Patent JPS6444029
Kind Code:
U
More Like This:
Application Number:
JP2224888U
Publication Date:
March 16, 1989
Filing Date:
February 22, 1988
Export Citation:
International Classes:
B01J2/20; B09B3/00; B30B9/14; C02F11/12; C05F3/06; (IPC1-7): B01J2/20; B30B9/14; C02F11/12; C05F3/06
Domestic Patent References:
| JPS5238510A | 1977-03-25 |