KR870007500A
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1987-08-19
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1988-10-26
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1987-09-23
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1987-10-07
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1988-05-26
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1989-10-25
A method for recording and erasing information
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1997-02-13
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1988-10-19
Optical information apparatus and method of recording and erasing information
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1987-12-09
Information recording and reproducing apparatus
IT1180134B
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1987-09-23
Dispositivo di registrazione e riproduzione di dati su un supporto magnetico
EP0219261A3
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1988-04-27
Information recording and reproducing apparatus
EP0221782A3
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1988-09-14
Optical information recording and reproducing apparatus
DE3663754D1
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1989-07-06
A magnetic record disk and a magnetic record disk file
GB2160697B
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1988-03-02
Method and apparatus for recording information on magnetic disk
DE68929165D1
(de )
2000-04-06
Gerät zur magnetischen Aufnahme und Wiedergabe und Verfahren zur Aufnahme und Wiedergabe
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(en )
1987-09-02
Apparatus for recording and reading information on a magapparatus for recording and reading information on a magnetic disk netic disk
DE3665236D1
(en )
1989-09-28
Optical information recording and reproducing apparatus
KR910015215A
(ko )
1991-08-31
자기 기록매체 및 이의 제조방법
EP0284056A3
(en )
1990-05-16
Method of optically recording information and apparatus therefor
EP0276808A3
(en )
1990-11-28
Method of recording and reproducing information
KR860700200A
(ko )
1986-03-31
자기 기록 재생장치
KR870000799A
(ko )
1987-02-20
정보기록재생방법 및 장치
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1988-09-21
Magnetic recording and reproducing apparatus
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1989-02-22
System and method for recording digital information
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1988-06-29
Apparatus for recording and reading binary information on a magnetic disc