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Exploring cultural relics conservation and restoration at the National Museum of China

chinadaily.com.cn | Updated: 2019-12-06 17:34
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Zhang Ran, a conservator, uses a portable X-ray fluorescence spectrometer to analyze the metal composition of an iron sword of the Han Dynasty (206 BC - 220) on Dec 3, 2019.[Photo by Jiang Dong/China Daily]
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