{
  "$type": "site.standard.document",
  "description": "The gas flow pipe (1) has a pipe wall (5) containing micro perforation passages (2) with a diameter of less than 1-2 mm. The pipe is cylindrical, and the micro perforations (2) occupy maximum 10% of the total pipe wall (5) surface. The perforated pipe wall can be shrouded by a mantle (5).",
  "path": "/patents/1091024",
  "publishedAt": "2004-01-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M35/1216",
    "STANKIEWICZ GMBH [DE]"
  ],
  "textContent": "The gas flow pipe (1) has a pipe wall (5) containing micro perforation passages (2) with a diameter of less than 1-2 mm. The pipe is cylindrical, and the micro perforations (2) occupy maximum 10% of the total pipe wall (5) surface. The perforated pipe wall can be shrouded by a mantle (5).",
  "title": "Cross flown gas line with a sound absorbent effect"
}