Heating, ventilating, air conditioning, and refrigeration /
Langley, Billy C.
Heating, ventilating, air conditioning, and refrigeration / Billy C. Langley - 4th ed. - Englewood Cliffs, N.J. Prentice Hall 1990 - xiv, 738p. ill. 29 cm.
Includes index
0133856348 RM215.46
Air conditioning
Refrigeration and refrigerating machinery
Heating, ventilating, air conditioning, and refrigeration / Billy C. Langley - 4th ed. - Englewood Cliffs, N.J. Prentice Hall 1990 - xiv, 738p. ill. 29 cm.
Includes index
0133856348 RM215.46
Air conditioning
Refrigeration and refrigerating machinery