Employment of Ren Zhigen,–: Tianjin Telegraph Office 交通部天津電報局 (水線工程師兼測驗員)

 Occupation: id 20199
Organisation
Tianjin Telegraph Office 交通部天津電報局 (天津電報局)
Original occupation text
水線工程師兼測驗員
 
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Ren, Zhigen 任志根 (1899–)
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