Air-conditioning means, i.e. combining at least two of the following ways of

Official title: {Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating (air-conditioning in general F24F)}

B61D27/0018 (Air-conditioning means, i.e. combining at least two of the following ways of) appears on 135 US grants and 139 published applications in this corpus.