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DE408295C Expired / Lapsed DE ⏱️ 0.0 years remaining

Cross-flow chimney cooler

Assignee: GUSTAF NORMAN
•
Filing: 1923-01-24
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Granted: 1925-01-19
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Expires: 1943-01-24
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Abstract

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Inventors

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-23 14:19
CPC Classifications
F; F28; F28C; F28C1/00; F28C1/04; Y; Y02; Y02B; Y02B30/00; Y02B30/70

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