Document Type and Number:
Japanese Patent JPH0112952
Kind Code:
Y2
Application Number:
JP15008783U
Publication Date:
April 14, 1989
Filing Date:
September 28, 1983
Export Citation:
International Classes:
B22D31/00; B24B31/02; (IPC1-7): B24B31/02; B22D31/00
Next Patent: JPH0112953