IS : 2386 Pt XII 1963
Bureau of Indian Standard
IS : 2386 Pt XII 1963 - 1st - New Delhi Bureau of Indian Standard 1963 - 24
Civil Engineering
624 / BU-I
IS : 2386 Pt XII 1963 - 1st - New Delhi Bureau of Indian Standard 1963 - 24
Civil Engineering
624 / BU-I
