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Mollenberg-Betz, Inc. on Twitter: "Compressors: before and after edition. The first photo is a vintage 9x9 Frick vintage refrigeration compressor, circa 1950's, and the second is a modern day compressor. What a
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Screw refrigeration compressor - RWF II - FRICK Industrial Refrigeration - rotary / ammonia (R717) / single-stage
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