IS : 4091 1979 Code of practice for design and construction of foundation for transmission line towers and poles
Bureau of Indian Standard
IS : 4091 1979 Code of practice for design and construction of foundation for transmission line towers and poles - 1st - New Delhi Bureau of Indian Standard 1980 - 17
Civil Engineering
624 / BU-I
IS : 4091 1979 Code of practice for design and construction of foundation for transmission line towers and poles - 1st - New Delhi Bureau of Indian Standard 1980 - 17
Civil Engineering
624 / BU-I
