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SEDCO (Adrian, MI), a division of Primore, Inc., has been granted ISO-9001/QS-9000 certification by CRS Registrars (Toledo, OH).
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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