Document Type and Number:
Japanese Patent JPS63157467
Kind Code:
U
Application Number:
JP5173787U
Publication Date:
October 14, 1988
Filing Date:
April 06, 1987
Export Citation:
International Classes:
B22D21/04; B22D37/00; B22D39/04; (IPC1-7): B22D39/04; B22D21/04