Employment of Yu Qingtang,–: Zhejiang Telephone Bureau 浙江電話局 (副工程師,設計股主任)

 Occupation: id 70805
Organisation
Zhejiang Telephone Bureau 浙江電話局
Original occupation text
副工程師設計股主任
 
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Yu, Qingtang 俞清堂 (1901–)
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