Who invented automated phone systems?

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Tags

  1. #automatic
  2. #telephone
  3. #would
  4. #first
  5. #brown
  6. #concept
  7. #almon
  8. #awarded
  9. #strowger
  10. #patent
  11. #system
  12. #switching
  13. #undertaker
  14. #inventor
  15. #phones
  16. #handful
  17. #within
  18. #lived