Document Type and Number:
Japanese Patent JPS5490109
Kind Code:
U
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JP4495362 | Optical disk device |
Application Number:
JP16616377U
Publication Date:
June 26, 1979
Filing Date:
December 06, 1977
Export Citation:
International Classes:
G11B23/033; G11B23/02; (IPC1-7): G11B23/02