MAGNETIC REFRIGERATOR CYLINDER - NARA - 17441995.jpg
Martin Brown
en
MAGNETIC REFRIGERATOR CYLINDER NARA 17441995, 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, MAGNETIC REFRIGERATOR CYLINDER
commons
ja
国立公文書館所蔵画像:他、宮内庁活動・施設・職員関係写真、国立公文書館所蔵画像:
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freezer frigorific refrigerator magnetic field magnetic element of a cylinder