Iron and steel industry /
Iron and steel industry /
Based an the proceedings of the International Symposium on Industrial Development ; Athens, november-december, 1967
- 78 páginas
- Unido (United Nations Industrial Development Organization) ; 5 .
Acero--Industria y comercio
Industria siderúrgica
HD9525 / N52
Acero--Industria y comercio
Industria siderúrgica
HD9525 / N52