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Combined high-speed contact magnetic tape duplicator and...

Dynamic magnetic information storage or retrieval – Record copying – Contact transfer
Reexamination Certificate

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Contact duplication of magnetically recorded information without

Dynamic magnetic information storage or retrieval – Record copying – Contact transfer
Patent

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Contact duplication system using anisotropic magnetic recording

Dynamic magnetic information storage or retrieval – Record copying – Contact transfer
Patent

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Contact magnetic printing of magnetic media using actuated...

Dynamic magnetic information storage or retrieval – Record copying – Contact transfer
Reexamination Certificate

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Contact magnetic transfer of servo pattern to rigid...

Dynamic magnetic information storage or retrieval – Record copying – Contact transfer
Reexamination Certificate

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Contact printing apparatus with presettable means indicating num

Dynamic magnetic information storage or retrieval – Record copying – Contact transfer
Patent

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Contact printing of magnetic media with mechanically...

Dynamic magnetic information storage or retrieval – Record copying – Contact transfer
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Copying apparatus for copying a magnetic pattern from a master m

Dynamic magnetic information storage or retrieval – Record copying – Contact transfer
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