Ministry of Public Works of Colombia has officially adopted American Society for Testing Materials specifications and British Standard Specifications for tests on rails and steel members for railroad cars, bridges and structures; intention is not to exclude products of all countries outside of United States, provided that steel offered meets tests as to strength.
Open-hearth steel and thomas or bessemer basic steel
El acero de hogar abierto (Siemens Martin) y el acero basico (Thomas o Bessemer)
Anales de Ingenieria ; 36 , n 418-419
1928
3 pages
Standard
Spanish
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