Document Type and Number:
Japanese Patent JPS5420416
Kind Code:
Y2
Application Number:
JP2410973U
Publication Date:
July 24, 1979
Filing Date:
February 24, 1973
Export Citation:
International Classes:
B22D17/30; B22D37/00; B22D39/00; (IPC1-7): B22D17/30; B22D39/00