发明授权
US3225169A Silver-refractory metal electrical contact having refractory metal carbide in the marginal layer of its active contact face 失效
银耐火金属电接触件,其活性接触面的边缘层中具有难熔金属碳化物

  • 专利标题: Silver-refractory metal electrical contact having refractory metal carbide in the marginal layer of its active contact face
  • 专利标题(中): 银耐火金属电接触件,其活性接触面的边缘层中具有难熔金属碳化物
  • 申请号: US34700664
    申请日: 1964-02-24
  • 公开(公告)号: US3225169A
    公开(公告)日: 1965-12-21
  • 发明人: KOSCO JOHN C
  • 申请人: STACKPOLE CARBON CO
  • 专利权人: Stackpole Carbon Co
  • 当前专利权人: Stackpole Carbon Co
  • 优先权: US34700664 1964-02-24
  • 主分类号: C22C32/00
  • IPC分类号: C22C32/00 H01H1/023 H01H1/0233
Silver-refractory metal electrical contact having refractory metal carbide in the marginal layer of its active contact face
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