Document Type and Number:
Japanese Patent JPS5230243
Kind Code:
B2
Application Number:
JP6741374A
Publication Date:
August 06, 1977
Filing Date:
June 12, 1974
Export Citation:
International Classes:
C22B7/04; B03C1/00; B09B5/00; B22D37/00; B22D43/00; C22B1/00; F27D17/00