Document Type and Number:
Japanese Patent JPS4831103
Kind Code:
A
Application Number:
JP6553671A
Publication Date:
April 24, 1973
Filing Date:
August 26, 1971
Export Citation:
International Classes:
C22B3/00; B01J39/04; C01G3/10; C02F1/42; C22B3/42; C25D21/22