RCA said Philo Farnsworth should be forced to prove he had invented the television image tube.

美国广播公司说菲罗.范斯沃斯必须提供他发明电视影像管的证据。

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RCA said Philo Farnsworth should be forced to prove he had invented the television image tube.

美国广播公司说菲罗.范斯沃斯必须提供他发明电视影像管的证据。

youdao