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DE643829C Expired / Lapsed DE ⏱️ 0.0 years remaining

Electrical heating device with a plurality of heating rings arranged concentrically and movably opposite one another

Assignee: CHR FLECK GmbH
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Filing: 1935-12-07
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Granted: 1937-04-17
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Expires: 1955-12-07
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-04 22:06
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/68; H05B3/681

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