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F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
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FR602768D1925-08-311925-08-31Chauffe air et eau, à débit et à température réglables, pour tous usages domestiques
ExpiredFR602768A
(fr)
Thermostat destiné à régler le tirage pour chauffages, installations de séchage, etc., consistant en des lamelles bi-métalliques renfermées dans un manchon à eau