4. Dynamic magnetic information storage or retrieval
  5. Record copying

Willem L. Van Der Kruk

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Apparatus for recording information signals on a record carrier

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism
Patent

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Arrangement for obtaining prerecorded digital music cassettes

Dynamic magnetic information storage or retrieval – Record copying
Patent

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Arrangement for obtaining prerecorded digital music cassettes

Dynamic magnetic information storage or retrieval – Record copying
Patent

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Cassette adapter for a playback deck of the front-loading or the

Dynamic information storage or retrieval – Combined independent audio systems – Changeover between audio systems
Patent

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Profile ID: LFUS-PAI-P-395697

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