Report of an industrial survey conducted in 1950-51 in Delhi state
Report of an industrial survey conducted in 1950-51 in Delhi state
/ Directorate of industries and labour, Delhi
- Delhi: Directorate of industries and labour, 1953
- iii, 300p.
Chemical technology
Acids Copper
66(058.7) / J3
Chemical technology
Acids Copper
66(058.7) / J3