0236 - Veteran worker Li Chang-mao (left) of Tientsin No. 2 Woolen Textile ...Back
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 | |
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| Place | |
| Year | 1971 |
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