IS : 2720 Pt VIII 1983
Bureau of Indian Standard
IS : 2720 Pt VIII 1983 - 1st - New Delhi Bureau of Indian Standard 1994 - 9
Civil Engineering
624 / BU-I
IS : 2720 Pt VIII 1983 - 1st - New Delhi Bureau of Indian Standard 1994 - 9
Civil Engineering
624 / BU-I
