Document Type and Number:
Japanese Patent JPH02144247
Kind Code:
U
Application Number:
JP4949189U
Publication Date:
December 06, 1990
Filing Date:
April 28, 1989
Export Citation:
International Classes:
B22D11/10; B22D37/00; B22D41/20; (IPC1-7): B22D11/10; B22D37/00; B22D41/20