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Fresh air heating device for motor vehicles with an air duct surrounded by the exhaust gases from the engine.

Assignee: Willy Koennecker
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Filing: 1930-02-12
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Granted: 1931-09-10
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Expires: 1950-02-12
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Abstract

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Inventors

  • 👤 Willy Koennecker

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Last Synchronized 2026-11-06 14:10
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