Document Type and Number:
Japanese Patent JPS5631135
Kind Code:
B2
Application Number:
JP3140076A
Publication Date:
July 20, 1981
Filing Date:
March 24, 1976
Export Citation:
International Classes:
C22B60/02; B01D15/00; B01J20/26; B01J45/00; C01G43/00; C02F1/28; C22B3/00; C22B3/24