| LEVEL CONTROL RELAY DU-4 WITH VARIABLE INDUCTOR
VNIKhI has constructed a level control relay DU-4 with a variable inductor. With rise in level of the refrigerant a steel tube welded to the float passes - Read more http://stinet.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=html&identifier=AD0284088 |