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ACOUSTO-ELECTRIC FILTER UTILIZING SURFACE WAVE PROPAGATION IN WHICH THE CENTER FREQUENCY IS DETERMINED BY A CONDUCTIVITY PATTERN RESULTING FROM AN OPTICAL IMAGE

  • US 3,446,975 A
  • Filed: 11/07/1966
  • Issued: 05/27/1969
  • Est. Priority Date: 11/07/1966
  • Status: Expired due to Term
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