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File:1956年台灣電力系統圖.jpg

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中文(臺灣):1956年(民國45年)一次系統全面回復154KV之台灣電力系統圖,系統中心由大觀移至鉅工
日期
来源 台電十年、台電工程月刊 台電十年紀念特刊-1946
作者 台電

许可协议

Public domain This photograph of the Republic of China is in the public domain in both the Republic of China and the United States because it is one of the following:
  1. A photograph published before 1952.
  2. An anonymous photograph published before 2002 and whose author is certified dead before 1952.
  3. A non-anonymous photograph taken before 1952 and unpublished within 50 years of being taken, but published before 2002.
  4. A photograph not included in another work whose copyright term started before and continued to June 10, 1992 or not exclusively created for that work, and meeting one of the following conditions:
    • It's unregistered—taken before June 12, 1962 and published from July 12, 1965 until December 31, 2001.
    • It's registered—published before July 11, 1975, or taken before June 12, 1962 and published before 2002.
  5. A photograph meeting the conditions of {{PD-US-unpublished}}.

See this page for further explanation.


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