IN the laboratory of the No. 1 shop of the Shanghai Vanguard Electrical Machinery Plant, 35-year-old Tsai Ling-mei and her group leader Li Yu-fu showed me the new multi-head electron gun. "Heart" of...
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IN the laboratory of the No. 1 shop of the Shanghai Vanguard Electrical Machinery Plant, 35-year-old Tsai Ling-mei and her group leader Li Yu-fu showed me the new multi-head electron gun. "Heart" of...