Document Type and Number:
Japanese Patent JPS56140968
Kind Code:
U
Application Number:
JP3604080U
Publication Date:
October 24, 1981
Filing Date:
March 18, 1980
Export Citation:
International Classes:
G11B23/033; B26F1/00; G11B23/02; (IPC1-7): G11B23/02; B26F1/00
Domestic Patent References:
| JPS3914401Y1 |