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File:NANP217(central-IL)1952.jpg

NANP217(central-IL)1952.jpg ‎（407 × 324像素，文件大小：40 KB，MIME类型：image/jpeg）

摘要

描述
English: NANP area code 217 and its neighbours.
日期
来源
图片提取流程
本文件提取自另一个文件
：​The Bell System technical journal 1952 Area Code map of USA.jpg
原始文件
作者 American Telephone and Telegraph Company
授权
(二次使用本文件)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.

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版权状态

无已知著作权限制 Chinese (Taiwan)（已转写）

许可协议

无已知著作权限制 Chinese (Taiwan)（已转写）

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当前2018年6月10日 (日) 12:032018年6月10日 (日) 12:03版本的缩略图407 × 324（40 KB）TuvalkinFile:The Bell System technical journal (1922) (14570186909).jpg cropped 86 % horizontally, 79 % vertically using CropTool with precise mode.

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