Document Type and Number:
Japanese Patent JPS5623585
Kind Code:
B2
Application Number:
JP1820373A
Publication Date:
June 01, 1981
Filing Date:
February 14, 1973
Export Citation:
International Classes:
C01G1/00; C02F1/28; C12N1/00; C12N1/14; C12N11/02; C22B60/02; F16H7/10