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GB326197A
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Method of refrigeration using solid carbon dioxide as a refrigerant
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GB326196A
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Improvements in or relating to refrigerators using solid carbon dioxide as refrigerant
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CA292174A
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Carbon dioxide manufacture
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CA294936A
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Carbon dioxide ice apparatus
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CA317851A
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Refrigerating apparatus
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CA301448A
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Storage, transportation and distribution of frozen carbon dioxide
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CA295550A
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Apparatus for refrigeration and heat insulation by frozen carbon-dioxide
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CA295549A
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Refrigeration apparatus
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CA299939A
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Refrigerated package with permeable insulation
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CA301447A
|
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Refrigerated package
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