Heating, ventilating, air conditioning, and refrigeration

Manylion Llyfryddiaeth
Prif Awdur:	Langley, Billy C.
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Englewood Cliffs, N.J. Prentice-Hall c1990.
Rhifyn:	4th ed.
Pynciau:	Refrigeration and refrigerating machine. Air conditioning. Refrigeration and air conditioning.