ACOUSTIC EVALUATION MEASUREMENT EQUIPMENT - NARA - 17446496.jpg
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ACOUSTIC EVALUATION MEASUREMENT EQUIPMENT NARA 17446496, 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, ACOUSTIC EVALUATION MEASUREMENT EQUIPMENT
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ja
国立公文書館所蔵の画像:国立公文書館所蔵の画像:他、文化財保護法に基づく建造物
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unit of measurement measurement acoustic measured measurer evaluator