Document Type and Number:
Japanese Patent JPS4930288
Kind Code:
A
Application Number:
JP7222872A
Publication Date:
March 18, 1974
Filing Date:
July 18, 1972
Export Citation:
International Classes:
B01J2/28; B01J20/20; C01B32/336; C01B32/384
Domestic Patent References:
| JPS5037157A | 1975-04-07 | |||
| JP45011006A |