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F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
F23J11/00—Devices for conducting smoke or fumes, e.g. flues
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FR1099737D1954-04-281954-04-28Appareil épurateur de fumées et de gaz en général, spécialement agencé pour être monté à l'intérieur de cheminées
ExpiredFR1099737A
(fr)