Document Type and Number:
Japanese Patent JPS6370861
Kind Code:
U
Application Number:
JP16593486U
Publication Date:
May 12, 1988
Filing Date:
October 28, 1986
Export Citation:
International Classes:
B24B31/02; B24B31/12; B24B57/02; (IPC1-7): B24B31/02; B24B31/12; B24B57/02