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TIME DIVISION RADIO RELAY SYNCHRONIZING SYSTEM USING DIFFERENT SYNC CODE WORDS FOR "IN SYNC" AND "OUT OF SYNC" CONDITIONS

  • US 3,532,985 A
  • Filed: 03/13/1968
  • Issued: 10/06/1970
  • Est. Priority Date: 03/13/1968
  • Status: Expired due to Term
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