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1920年2月14日

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消除漏接电话

一个简单的电话新颖之处如何消除办公室和工厂中大量无效动作

作者：Robert G. Skerrett

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This article was originally published with the title “Eliminating the Lost Call” in 大众科学 Magazine Vol. 122 No. 7 (February 1920), p. 164
doi:10.1038/scientificamerican02141920-164

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