SCIENCE AND EDUCATION FILM: Calcium magnesium phosphate production by small-sized blast furnace
Keywords:
The Great Leap Forward Period | Agricultural Production | Calcium Magnesium Phosphate | Small-Sized Blast Furnace | Farmers' Life | People's Commune
This film focuses on the small-sized blast furnace used by members of People's Commue to produce calcium magnesium phosphate in the 1960 during the Great Leap Forward period.