Document Type and Number:
Japanese Patent JPS637422
Kind Code:
Y2
Application Number:
JP10641682U
Publication Date:
March 02, 1988
Filing Date:
July 13, 1982
Export Citation:
International Classes:
B22D39/06; B22D37/00; B22D41/18; B22D41/20; (IPC1-7): B22D41/10; B22D39/06