Document Type and Number:
Japanese Patent JPH0347820
Kind Code:
Y2
Application Number:
JP20145783U
Publication Date:
October 11, 1991
Filing Date:
December 24, 1983
Export Citation:
International Classes:
B23Q7/12; B24B31/05; B24B31/12; (IPC1-7): B24B31/12; B23Q7/12
Next Patent: JPH0347821