Document Type and Number:
Japanese Patent JPH0411001
Kind Code:
Y2
Application Number:
JP1779283U
Publication Date:
March 18, 1992
Filing Date:
February 09, 1983
Export Citation:
International Classes:
B24B31/108; B24B31/02; B24B31/12; (IPC1-7): B24B31/108; B24B31/12
Next Patent: JPH0411002