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The start-up test of direct line between Seoul and Busan (서울-부산간 직통전화 가동시험)

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Title The start-up test of direct line between Seoul and Busan (서울-부산간 직통전화 가동시험)
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Material Type Photos
Date 1971
Subject Country South Korea(Asia and Pacific)
Language English / Korea
File Type Images
Original Format jpg
Subject Industry and Technology < General
Holding National Archives of Korea(국가기록원)