中科微点-全球专利检索

  1. Login
  2. Sign Up
Invention Grant
USB540888I5  失效

  • Patent Title:
  • Application No.: US54088875
    Application Date: 1975-01-14
  • Publication No.: USB540888I5
    Publication Date: 1976-03-30
  • Priority: US54088875 1975-01-14; IT343672 1972-05-23; US36325873 1973-05-23
  • Main IPC: G01B5/08
  • IPC: G01B5/08 ;  G01B5/20
Information query
Espacenet
Patent Agency Ranking
0/0