INSTALLED VACUUM JACKETED PIPING - NARA - 17451243.jpg
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INSTALLED VACUUM JACKETED PIPING NARA 17451243, 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, INSTALLED VACUUM JACKETED PIPING
commons
ja
INSTALLED VACUUM JACKETED PIPING NARA 17451243、米国国立公文書館所蔵: INSTALLED VACUUM JACKETED PIPIING
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brown jacket in vacuo vacuum piping ground state