0212 - China Achieves Success In Industrial Readjustment. Model workers Yan...Front
China Achieves Success In Industrial Readjustment. Model workers Yang Fulin (shown in picture) of the Shanghai Tools Plant, together with technicians of the plant, has successfully evolved a multi-worm-gear-hob with the high-precision thread pitch reaching only one-tenth of a human hair. Photo by Zhang Ping
Image details
| Front | Yes |
|---|---|
| Place | |
| Year | 1981 |
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