Document Type and Number:
Japanese Patent JPS5549883
Kind Code:
Y2
Application Number:
JP259876U
Publication Date:
November 20, 1980
Filing Date:
January 13, 1976
Export Citation:
International Classes:
B22D7/06; B22C9/08; B22C21/04; B22C21/06; (IPC1-7): B22D7/06; B22C21/04