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  • Title : The proposal and resolution of the Metrological Administration Conference in 1955
  • The proposal and resolution of the Metrological Administration Conference in 1955,Total 8 pictures
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  • Details
    • Dimensions:
      20.30 cm X 10.80 cm X 0.50 cm
    • Classification:
      Metrology
    • Year made:
      1955年