00676cam a22002291 4500 af 48001514 DLC 20260227110849.0 940504s1939 gw a 000 0 ger c af 48001514 (OCoLC)30377665 Engineering Societies Library IEN DLC premarc TA435 .B66 Brasilianische Normen zur Prüfung von Zement und Beton. Berlin-Charlottenburg, Zementverlag, 1939. 36 p. illus., diagrs. 21 cm. Cement Specifications. Cement Testing. Concrete Specifications. Concrete Testing. 4573 4573