HIGH PRESSURE FACILITY HPF - NARA - 17473400.jpg
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HIGH PRESSURE FACILITY HPF NARA 17473400, Engine Research Building, 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, HIGH PRESSURE FACILITY HPF
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ja
国立公文書館所蔵画像:他、国立公文書館所蔵画像:HIGH PRESSURE FACITY HPF
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high-pass filter pressure unit pressure