Như lày:
TCVN 6701:2007 (ASTM D 2622-05) /TCVN 7760:2008 (ASTM D 5453-06) /TCVN 3172:2008 (ASTM D 4294-06) ,TCVN 3180:2007 (ASTM D 4737-04) TCVN 7630:2007 (ASTM D 613-05),TCVN 2698:2007 (ASTM D 86-05),TCVN 6608:2006 (ASTM D 3828-05) /TCVN 2693:2007 (ASTM D 93-06) ,TCVN 3171:2007 (ASTM D...