| 摘要 |
<p>Heat exchanger (2) for rooms which is frontally and behind defined at least by two radiant plates (8) provided with relevant smooth heat exchanging surfaces (12); a number of inner ducts (10) being placed between the plates (8) and being serially connected to each others to define a compact and completely closed structure with the plates (8) and an only canalisation path (P) placed in direct contact with the plates (8).</p> |
