HELIAX WAVEGUIDE - NARA - 17420550.jpg
en
HELIAX WAVEGUIDE NARA 17420550, 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, HELIAX WAVEGUIDE
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ja
HELIAX WAVEGUIDE NARA 17420550、米国国立公文書館シリーズ:活動・施設・職員関係の写真、米国国立公文書館所蔵画像:他、HELIAX WAVEGUIDE
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waveguide