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In what year was Freon invented?
a) 1922b) 1925
c) 1928
d) 1931
Answer:
c) 1928
Publication date: 04/23/2001
b) 1925
c) 1928
d) 1931
Publication date: 04/23/2001
With more than 500 pages of extensive information on such important topics as refrigeration systems, piping, ductwork, motors, compressors, fans, pumps and more, this "answer book" is one of the most complete HVAC/R professional references available.
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