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NL55722C - - Google Patents

Assignee: —
•
Filing: 1941-06-26
•
Granted: 1943-12-15
•
Expires: 1961-06-26
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Abstract

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Inventors

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Bibliographic Details

Application Number —
Jurisdiction NL
Data Source google_patents
Last Synchronized 2026-10-25 10:57
CPC Classifications
H; H04; H04Q; H04Q1/00; H04Q1/18; H04Q1/30; H04Q1/44; H04Q1/444; H04Q1/446; H04Q1/4465; H02; H02B; H02B15/00; H04M; H04M15/00; H04M15/08

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