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Start Over Subjects Patents as Topic ✖Remove constraint Subjects: Patents as Topic Titles A process of obtaining a dry cold current of air from ice, and its different applications ✖Remove constraint Titles: A process of obtaining a dry cold current of air from ice, and its different applications Dates by Range 1850-1899 ✖Remove constraint Dates by Range: 1850-1899

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  • A process of obtaining a dry cold current of air from ice, and its different applications1