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EFFICIENCY TESTS OF THE NEW CENCO - HYVAC OIL VACUUM PUMPS
Professor Chas. T. Knipp, C. S. PalmerVolume:
21
Year:
1921
Language:
english
Pages:
4
DOI:
10.1111/j.1949-8594.1921.tb08078.x
File:
PDF, 136 KB
english, 1921