Document Type and Number:
Japanese Patent JPS5613780
Kind Code:
B2
More Like This:
Application Number:
JP5302174A
Publication Date:
March 31, 1981
Filing Date:
May 13, 1974
Export Citation:
International Classes:
C22C49/00; C22C13/00; C22C18/00; C22C21/00; C22C47/00; C22C49/06