About Refrigeration Research Inc
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REFRIGERATION RESEARCH by REFRIGERATION RESEARCH, INC. (Track this)
Intl: (011) Environmental control apparatus US: 031 Filing date: 22-Apr-1974 Serial number: 73019431
FOR TOUGH REQUIREMENTS by Refrigeration Research, Inc. (Track this)
Intl: (011) Environmental control apparatus US: 031 Filing date: 10-Jun-1963 Serial number: 72170676
FOR TOUGH REQUIREMENTS by Refrigeration Research, Inc. (Track this)
Intl: (011) Environmental control apparatus US: 031 Filing date: 17-Apr-1961 Serial number: 72117998