अलेक्जेंडर बिलॉन्ग स्टोर
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Alexander Graham Bell (3 March 1847 - 2 August 1922) is known more generally by the world as the inventor of the telephone . Very few people know that Graham Bell has made many more useful inventions not only in telephone, but also in the field of communication technology. He is also credited with the invention of optical-fiber systems, photophones, bell and decibel units, metal-detectors, etc. All these are based on such technology, without which communication revolution can not be imagined
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