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Which of the following is also known as the developer of the world's first cellular system?
Bellcore and Motorola
Nippon Telephone and Telegraph (NTT)
None of the above
Nippon Telephone and Telegraph Corporation is a Japanese company telecommunication company also known as NTT. The Nippon Telephone and Telegraph is also famous for developing the world's first cellular system. It is one of the largest telecom companies in the world and has been ranked as the fourth largest telecom company worldwide.
By: Brijesh Kumar ProfileResourcesReport error
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