HIGH PRESSURE FACILITY HPF IN THE ENGINE RESEARCH BUILDING ERB - NARA - 17448183.jpg
en
HIGH PRESSURE FACILITY HPF IN THE ENGINE RESEARCH BUILDING ERB NARA 17448183, 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 IN THE ENGINE RESEARCH BUILDING ERB
commons
ja
国立公文書館所蔵の画像:国立公文書館所蔵の画像のうち、機関部研究棟、米国国立公文書館所蔵の画像。
commons_translated
high-pass filter pressure unit