0235 - Veteran worker Li Chang-mao (left) of Tientsin No. 2 Woolen Textile ...Front
Veteran worker Li Chang-mao (left) of Tientsin No. 2 Woolen Textile Mill learned to analyze the performance of machines with Chairman Mao's philosophical thinking and solved the difficult problem of snapping of woolen yarn on warping frames.
Image details
Front | Yes |
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Place | |
Year | 1971 |
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