Document Type and Number:
Japanese Patent JPH02145671
Kind Code:
U
Application Number:
JP5599189U
Publication Date:
December 11, 1990
Filing Date:
May 16, 1989
Export Citation:
International Classes:
F04B1/20; B22D19/16; B22D25/02; B22D27/09; (IPC1-7): F04B1/20; B22D19/16; B22D25/02; B22D27/09