0237 - The worker masses have given a spur to industrial production by ener...Front
The worker masses have given a spur to industrial production by energetically developing technical innovations. The famous worker-engineer Ni Chih-fu(R) telling the lathe turners from other factories how he, together with his workmates devised a new, high efficient drill.
Image details
Front | Yes |
---|---|
Place | |
Year | 1971 |
Looking for a copy of this image?
Please contact us to request a print or digital download.