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GUEZENNEC ET CIE SOC
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GUEZENNEC ET CIE SOC
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F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
F24D3/00—Hot-water central heating systems
F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
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FR403541D1908-09-261908-09-26
Device for hot water heating, accelerated circulation, without pressure, by small pipes and without noise
ExpiredFR403541A
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