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Jianming Qian
Dr. Jianming Qian is Director of Jiangsu Inspection & Quarantine Mechanical and Electrical Products Testing Centre.Dr. Jianming Qian is Director of Jiangsu Inspection & Quarantine Mechanical and Electrical Products Testing Centre.
Книги автора Jianming Qian
Electrical Motor Products: International Energy-Efficiency Standards and Testing Methods