Universal recylindrical grinding machine

8 分 1974

China

Industry

Steel production 0.42$	Steel production	Water-cooled Generator	Motorized rice sprouts transplanter
Universal recylindrical grinding machine	Open-air rock drill	Great Leap Forward	Great Leap Forward
Great Leap Forward 0.21$	First Five-Year Plan 0.2$	First Five-Year Plan 0.45$	First Five-Year Plan 0.33$