4. Telephonic communications
  5. Centralized switching system
  6. Switching controlled in response to called station...
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Ackerley Roger G

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American Express TRS

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American Telecorp

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Ameriphone, Inc

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Androski Frank J.

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Astmann Robert H.

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AT&T Bell Corp.

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Aurell K. S. Tomas

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Axling Per Svante

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