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  • Title : The index of proposal of the Metrological Administration Conference in 1952
  • The index of proposal of the Metrological Administration Conference in 1952,Total 7 pictures
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  • Details
    • Dimensions:
      19.60 cm X 27.30 cm X 0.10 cm
    • Classification:
      Metrology
    • Year made:
      1952年