Refrigerating-machine oil and working-fluid composition for refrigerating machine
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United States of America Patent
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Feb 16, 2017
app pub date -
Mar 23, 2015
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Apr 23, 2014
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Abstract
The invention provides a refrigerating machine oil comprising, as a base oil, at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less, and the refrigerating machine oil being used with a 1-chloro-3,3,3-trifluoropropene refrigerant.
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