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Publication of FR874467ApublicationCriticalpatent/FR874467A/en
F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUESÂ
F23J11/00—Devices for conducting smoke or fumes, e.g. fluesÂ
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FR874467D1941-08-011941-08-01
Device with an expansion chamber to obtain the precipitation of soot in order to separate it from the fumes
ExpiredFR874467A
(en)