FRACTURE SURFACES OF TEST SPECIMENS - NARA - 17444878.jpg
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FRACTURE SURFACES OF TEST SPECIMENS NARA 17444878, 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, FRACTURE SURFACES OF TEST SPECIMENS
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ja
国立公文書館所蔵の画像:他、国立公文書館所蔵の画像:ほか
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fracture