BURNT SPOT ON SOLAR CELL - NARA - 17467397.jpg
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BURNT SPOT ON SOLAR CELL NARA 17467397, Solar cell panels in the United States, US National Archives series: Photographs Relating to Agency Activities, Facilities and Personnel, Images from the National Archives and Records Administration, US National Archives location: other, BURNT SPOT ON SOLAR CELL
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合衆国国立公文書館所蔵の画像:他、アメリカ合衆国国立公文書館所蔵の画像:他、アメリカ合衆国国立公文書館所蔵の画像:
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solar cell photoelectric cell unit cell holding cell photovoltaic solar telescope