Employment of Sun Yuntao, 1937–: 華寶煤礦公司 (工程師,兼井工主任)

 Occupation: id 23892
Organisation
華寶煤礦公司 (華寶煤礦)
Original occupation text
工程師兼井工主任
Range - Start date
1937
 
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Sun, Yuntao 孫雲濤 (1898–)
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