Power supplies; uninterruptable electrical power supplies; battery-backup power supplies; voltage-converting power supplies; all of the foregoing for use as an interface between a wall outlet and parts of a refrigeration unit, namely, electric motors for refrigerators, pumps for refrigeragors, or compressors for refrigerators

'backup':9 'batteri':8 'battery-backup':7 'compressor':45 'convert':14 'electr':4,37 'forego':20 'interfac':25 'motor':38 'name':36 'outlet':29 'part':31 'power':1,5,10,15 'pump':41 'refriger':34,40,47 'refrigeragor':43 'suppli':2,6,11,16 'uninterrupt':3 'unit':35 'use':22 'voltag':13 'voltage-convert':12 'wall':28

REFRIGERATOR SENTRY

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