What is Raymond W. Ketchledge?

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2025-01-04 04:42

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hdshahin01 · Accepted Answer · 2022-09-05T00:14:50+06:00

hdshahin01

Raymond Waibel Ketchledge was an American engineer, known for his contributions to the first computerized telephone switching control systems.

4 views Answered 2022-09-05 00:14