{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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  "description": "A friction material prepared by molding and curing a composition containing a fibrous base, a binder and a filler comprises three types of metal oxides having Mohs hardness of 4 to 6.5 in a combined amount of at least 12 vol%.",
  "path": "/patents/1081927",
  "publishedAt": "2004-12-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T1/08",
    "NISSHIN SPINNING [JP]"
  ],
  "textContent": "A friction material prepared by molding and curing a composition containing a fibrous base, a binder and a filler comprises three types of metal oxides having Mohs hardness of 4 to 6.5 in a combined amount of at least 12 vol%.",
  "title": "Friction material"
}