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F23H15/00—Cleaning arrangements for grates; Moving fuel along grates
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FR1076340D1952-03-191953-03-18Foyer de chaudière utilisable notamment dans l'économie domestique pour la production d'eau chaude ou de vapeur
ExpiredFR1076340A
(fr)
Bloc foyer notamment pour chaudière pour la production d'eau chaude ou de vapeur ainsi que les chaudières pourvues du bloc foyer conforme ou similaire au précédent