Detailed design for a vertical life gate
Nigam, P.S.
Detailed design for a vertical life gate by P.S. Nigam - Water Resources Development Training Centre, University of Roorkee 1970 - 26 p.
Vertical Life Gate
627.84:72.001 / N 684 D
Detailed design for a vertical life gate by P.S. Nigam - Water Resources Development Training Centre, University of Roorkee 1970 - 26 p.
Vertical Life Gate
627.84:72.001 / N 684 D