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Refrigerating apparatus
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Refrigerating and ventilating apparatus
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Refrigerating system and method
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Method and apparatus for refrigerating and carbonating
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Machine and method for making solid carbon dioxide
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Method of preparing solidified carbon dioxide
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Dual-effect compression method and apparatus for producing carbondioxide snow
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Method and means for producing solidified carbon dioxide
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Refrigerating apparatus and control valve therefor
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Pressure-actuated valve
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Refrigerating apparatus
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Shell-condenser coupling
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Ratio flow-control valve
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Condenser joint
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Stuffing box
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Valve
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Heat-exchanging apparatus
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Thermostatic switch control
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Oil separator
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Refrigerating apparatus
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