Employment of Tong Yulang,–: 河北井陘煤礦 (井陘煤礦實習)

 Occupation: id 4047
Organisation
河北井陘煤礦 (井陘煤礦)
Original occupation text
井陘煤礦實習
 
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Tong, Yulang 佟玉朗 (1907–)
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