621.4 BAL 18004 15519 18000 18001 18005 18007
Ballaney, P. L. Thermal engineering / By P. L. Ballaney. - 14th ed.. - Delhi : Khannna, 1985 xv. 1.xiv,1734p.:ill. v.1. Mechanical engineering Rs. 70.00 * Air compressors Thermal engineering Thermodynamics
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