621.56 BAL 35769 11047 28564 28565 35767 35770 35771 43147 43148 673
Ballaney, P.L. Refrigeration and air conditioning / by P.L. Ballaney. - 9th. - New Delhi : Khanna, 1992 811p. Rs.95.00 * Air conditioning refrigeration Refrigeration and refrigerating machinery
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