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Closed-circuit television - Wikipedia
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Jireh Technologies Limited - DID YOU KNOW? The first CCTV camera known to us was developed by Siemens AG in Germany. It was built to observe the launch of rockets in the
Closed-circuit television - Wikipedia
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The first CCTV was developed in 1942... - SecureTech Nigeria | Facebook
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Closed-circuit television - Wikipedia
When was CCTV invented - the history of CCTV - who invented CCTV?
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