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F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
F24D19/00—Details
F24D19/08—Arrangements for drainage, venting or aerating
F24D19/081—Arrangements for drainage, venting or aerating for steam heating systems
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FR648937D1928-02-141928-02-14
Device for draining condensation water from heating and manufacturing devices as well as from steam piping
ExpiredFR648937A
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