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1993-09-23
RECORDING AND PLAYBACK DEVICE OF OPTICAL INFORMATION.
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1986-11-27
Optical data recording and reproducing apparatus
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1989-01-25
Optical information recording medium and apparatus for recording/reproducing information using the same
JPS57183641A
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1982-11-12
Optical data storage and laser recording medium
JPS56134328A
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1981-10-21
Optical device for recording and reading data medium and optical memory system having same device
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1995-09-07
Data recording and reproducing apparatus.
GB2104687B
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1985-06-19
Optical information recording and reproducing apparatus
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1994-12-08
Optical recording and playback device with optical storage medium.
KR890007251A
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1989-06-19
Cassette type signal recording and reproducing device
KR900000859A
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1990-01-31
Method for reproducing optical information recording and apparatus therefor
DE3685151D1
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1992-06-11
DATA RECORDING AND PLAYBACK DEVICE.
DE3684663D1
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1992-05-07
OPTICAL INFORMATION RECORDING AND PLAYBACK DEVICE.
EP0255188A3
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1988-04-13
Method of recording, reproducing and erasing information on an optical disk
FR2595857B1
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1994-02-25
APPARATUS FOR RECORDING AND REPRODUCING OPTICAL DATA
EP0320291A3
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1990-04-25
Information recording medium and method of recording or reproducing optical information employing the same
DE3665236D1
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1989-09-28
Optical information recording and reproducing apparatus
DE3856472T2
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2001-10-31
Data recording medium
DE3780866D1
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1992-09-10
OPTICAL INFORMATION RECORDING AND PLAYBACK DEVICE.
EP0068801A3
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1983-05-25
Optical storage medium and method of recording data thereon
DE68914550T2
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1994-11-10
Optical data recording and playback device.
KR880700396A
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1988-03-15
Optical disc recording and playback device
DE3870339D1
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1992-05-27
OPTICAL RECORDING AND PLAYBACK DEVICE.
DE3887242T2
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1994-07-07
Optical information recording and playback device.
GB8418415D0
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1984-08-22
Optical data storage and laser recording medium
DE68918679T2
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1995-02-09
Optical disc recording and / or reproducing apparatus.