Ballaney .P.L 1976
Refrigeration and airv conditioning P.L.Ballaney - Delhi Khanna Publishers 1976 - viii,650p.,ill 22cm
includes index
TP 492.B35 1976
Refrigeration and airv conditioning P.L.Ballaney - Delhi Khanna Publishers 1976 - viii,650p.,ill 22cm
includes index
TP 492.B35 1976