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Design and construction of a liquid hydrogen temperature refrigeration system

Chelton, D. B. (Dudley B.), author.
Washington, D.C. : National Bureau of Standards, United States Department of Commerce, Office of Technical Services, 1960. 1960

Helium refrigeration and liquefaction using a liquid hydrogen refrigerator for precooling

Chelton, D. B. (Dudley B.), author.
Washington, D.C. : National Bureau of Standards, United States Department of Commerce, Office of Technical Services, 1960. 1960