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Artifact and Historical Materials


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  • One of figures of Weights and Measures unification of China
    One of figures of Weights and Measu...
    One of figures of Weights and Measures unification of China
    One of figures of Weights and Measu...
    One of figures of Weights and Measures unification of China
    One of figures of Weights and Measu...
  • One of photos of the National Bureau of Weights and Measures
    One of photos of the National Burea...
    One of photos of the National Bureau of Weights and Measures
    One of photos of the National Burea...
    One of photos of the National Bureau of Weights and Measures
    One of photos of the National Burea...
  • One of photos of the National Bureau of Weights and Measures
    One of photos of the National Burea...
    One of posters about weights and measures by the National Bureau of Weights and Measures
    One of posters about weights and me...
    One of posters about weights and measures by the National Bureau of Weights and Measures
    One of posters about weights and me...
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