Normas ASTM
Normas ASTM
- 77 páginas
"American Society for Testing and Materials" Traduccion de: ASTM C 29/C 29M-97 Standard test method for unit weight and voids in aggregate [y otros]
9684641001
Concreto--Normas
TA439 / N67 2001
"American Society for Testing and Materials" Traduccion de: ASTM C 29/C 29M-97 Standard test method for unit weight and voids in aggregate [y otros]
9684641001
Concreto--Normas
TA439 / N67 2001