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lubrication of compressors to screws or paddles by volumetric injection of oil through the bodies furniture with chance of refrigeration preparation on the rotary bodies of compressure in the screws or paddles of paths for refrigeration machines free oil
lubrication of compressors to screws or paddles by volumetric injection of oil through the bodies furniture with chance of refrigeration preparation on the rotary bodies of compressure in the screws or paddles of paths for refrigeration machines free oil