Meanwhile, Alexander Graham Bell was working on the same idea and in 1876 the patent for the telephone was given to him.
与此同时，亚历山大·格雷厄姆·贝尔也在研究同样的想法。1876年，他获得了电话的专利。
Meanwhile, Alexander Graham Bell was working on the same idea and in 1876 the patent for the telephone was given to him.
与此同时，亚历山大·格雷厄姆·贝尔也在研究同样的想法。1876年，他获得了电话的专利。
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