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Wikidata

https://www.wikidata.org/wiki/Q835153

American Relief Agency - Report on American relief work. 11

American Relief Agency - Report on American relief work. 11 (1948)

Pay attention in high temperature production to avoid heatstroke and to protect health -- safe production wall chart 4

Pay attention in high temperature production to avoid heatstroke and to protect health -- safe production wall chart 4 (1964, December)

Children's examination day

Children's examination day (1975, October)

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