DCR AND SOLID STATE RELAYS - NARA - 17471746.jpg
en
DCR AND SOLID STATE RELAYS NARA 17471746, Solid-state relays, 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, DCR AND SOLID STATE RELAYS
commons
ja
DCR AND SOLID STATE RELAYS NARA 17471746、固体リレー、米国国立公文書館シリーズ:活動・施設・人事に関連する写真、米国国立公文書館記録管理局の画像、米国国立公文書館の場所:その他、DCRと固体のSTAT RELAYS
commons_translated
solid-state solid solid figure