{
  "$type": "site.standard.document",
  "description": "The car heating system which is fitted with an electrical auxiliary heater (8), especially a positive temperature coefficient (PTC) heater, has a second auxiliary heater (9), especially an exhaust gas heat exchanger.",
  "path": "/patents/1078058",
  "publishedAt": "2005-05-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60H1/20",
    "BEHR GMBH & CO KG [DE]"
  ],
  "textContent": "The car heating system which is fitted with an electrical auxiliary heater (8), especially a positive temperature coefficient (PTC) heater, has a second auxiliary heater (9), especially an exhaust gas heat exchanger.",
  "title": "Heating device for a vehicle with additional heat source"
}