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FR1102933A Expired / Lapsed FR ⏱️ 0.0 years remaining

Control of an automatic telecommunication system

Assignee: Government of Netherlands
•
Filing: 1952-11-12
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Granted: 1955-10-27
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Expires: 1972-11-12
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Abstract

No abstract record available.

Inventors

  • 👤 Roelof Maarten Marie Oberman

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-04 11:56
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/0004; G; G21; G21C; G21C1/00; G21G; G21G1/00; G21G1/04; G21G1/06; G21G1/08; Y; Y02; Y02E; Y02E30/00; Y02E30/30

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