REFRIGERATING MACHINE OIL, AND WORKING FLUID COMPOSITION FOR REFRIGERATING MACHINES

The present invention provides a refrigerating machine oil comprising, as a base oil, a polymer having a structural unit represented by the following formula (1):wherein R1, R2and R3, which may be the same as or different from each other, represent a hydrogen atom or a hydrocarbon group; and R4repre...

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1. Verfasser: KONNO Souichirou
Format: Patent
Sprache:eng ; fre ; ger
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