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FR1324945A Expired / Lapsed FR ⏱️ 0.0 years remaining

Process for protecting the exchange surfaces of heat recovery units for furnaces operating at high temperatures and with variable heating regimes

Assignee: EQUIP THERMIQUES ET DE RECUPER
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Filing: 1962-02-19
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Granted: 1963-04-26
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Expires: 1982-02-19
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-27 11:33
CPC Classifications
C; C21; C21B; C21B9/00; C21B9/10; F; F27; F27D; F27D17/00; F27D17/10

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