Title:
DIAMOND CUTTING NEEDLE FOR DISK RECORD
Document Type and Number:
Japanese Patent JPS5492301
Kind Code:
A
Inventors:
YAMAGISHI YOSHIO
Application Number:
JP15886177A
Publication Date:
July 21, 1979
Filing Date:
December 29, 1977
Export Citation:
Assignee:
YAMAGISHI YOSHIO
International Classes:
G11B3/46; (IPC1-7): G11B3/46