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FR727681A Expired / Lapsed FR ⏱️ 0.0 years remaining

Method and heating device for rotary dryer drums

Assignee: Alsacienne de Constructions Mecaniques SA
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Filing: 1931-02-13
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Granted: 1932-06-22
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Expires: 1951-02-13
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-09 09:25
CPC Classifications
F; F26; F26B; F26B11/00; F26B11/02; F26B11/04; F26B11/0445

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