NANPs(Ohio)1952.jpg (320 × 320 像素,檔案大小:37 KB,MIME 類型:image/jpeg


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English: NANP area codes in Ohio and surroundings as of 1952
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:​The Bell System technical journal 1952 Area Code map of USA.jpg
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作者 American Telephone and Telegraph Company
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目前2021年1月13日 (三) 00:25於 2021年1月13日 (三) 00:25 版本的縮圖320 × 320(37 KB)TuvalkinFile:The Bell System technical journal (1922) (14570186909).jpg cropped 89 % horizontally, 79 % vertically using CropTool with precise mode.

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