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FR1154513A
Expired / Lapsed
FR
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Device for recording and reproducing magnetic recordings
Assignee: Koninklijke Philips NV
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Filing: 1956-06-08
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Granted: 1958-04-11
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Expires: 1976-06-08
Abstract
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Bibliographic Details
Application Number
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FR
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2026-10-24 15:53
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