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FR891937A Expired / Lapsed FR ⏱️ 0.0 years remaining

Device allowing the alternating application of several signals to a single electrical device with amplifier tubes used as inertia-free switches

Assignee: Koninklijke Philips NV
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Filing: 1943-03-04
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Granted: 1944-03-23
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Expires: 1963-03-04
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Abstract

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Inventors

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-26 03:51
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/20; G01R13/22; G01R13/28; H; H03; H03K; H03K17/00; H03K17/51; H03K17/54; H04; H04J; H04J3/00; H04J3/02; H04J3/04; H04J3/042

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