B-AL BLADES ALUMINUM BLADES - NARA - 17445125.jpg
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B AL BLADES ALUMINUM BLADES NARA 17445125, 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, B-AL BLADES ALUMINUM BLADES
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ja
BAL BLADES ALUMINUM BLADES NARA 17445125、米国国立公文書館所蔵:その他、B-AL BLADES ALUMINUM BLADES
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impeller impelling aluminum rotor