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DE735401C Expired / Lapsed DE ⏱️ 0.0 years remaining

Protection circuit for fire alarms with differential thermocouples

Assignee: Walther and Co AG
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Filing: 1939-07-29
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Granted: 1943-05-14
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Expires: 1959-07-29
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Abstract

No abstract record available.

Inventors

  • 👤 Dr Phil Bruno Lange

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-29 13:47
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/021; G01K3/00; G01K3/08; G01K3/10; G01K7/026

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