Title:
ALIGNMENT DISK
Document Type and Number:
Japanese Patent JPS52141202
Kind Code:
A
Inventors:
NAKAMATSU YOSHIROU
Application Number:
JP5718976A
Publication Date:
November 25, 1977
Filing Date:
May 20, 1976
Export Citation:
Assignee:
NAKAMATSU YOSHIRO
International Classes:
G11B23/033; G11B23/02; G11B23/28; (IPC1-7): G11B23/02
Domestic Patent References:
| JPS5146918A | 1976-04-22 | |||
| JPS5015528A | 1975-02-19 |