Document Type and Number:
Japanese Patent JPS5233567
Kind Code:
B2
Application Number:
JP6955672A
Publication Date:
August 29, 1977
Filing Date:
July 13, 1972
Export Citation:
International Classes:
C22B26/10; B01D8/00; C23G3/00; C23G5/00; G21D1/02; G21F9/28