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Priority to GEAU2011012104priorityCriticalpatent/GEU20121706Y/en
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A combined heating system contains a case 1, a control panel 2, a combustion chamber 3, in which the coiled pipe 4 is fixed, the ends 5 and 6 of which are by pipes attached to the low power water pump 7 and to heating radiators.
GEAU20110121042011-02-152011-02-15Combined heating system working on natural gas
GEU20121706Y
(en)