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- Bonebakker, J.W. (author) journal article 1951
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Kluyver, A.J. (author), Visser, J. (author)1. A method has been developed for testing the filtration efficiency of some filter materials. For each of the materials investigated — cotton wool, stillite and carbon — a suitable filter has been devised. 2. The filtered air was analyzed as to its germ content with the aid of a set of 3 capillary impingers. 3. The cotton wool filter gave on...journal article 1950
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- Schepers, J.A. (author) journal article 1950
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- journal article 1950
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- Lammeren, W.P.A (author) journal article 1950
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- Balhan, J. (author) journal article 1950
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- de Groot, D. (author) journal article 1950
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- Helm, Kurt (author) journal article 1950
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- Gilmore, F.R. (author) journal article 1950
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- Stout, Ernest G. (author) journal article 1950
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- Birkhoff, G. (author), Plesset, M. (author), Simmons, N. (author) journal article 1950
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- Jaeger, H.E. (author) journal article 1950
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- Trilling, Leon (author) journal article 1950
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- Epstein, F.S. (author) journal article 1950
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- de Groot, D. (author) journal article 1949
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- Lammeren, W.P.A (author) journal article 1949
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- Pope, Alan (author) journal article 1949
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- van Aken, J.A. (author), Stolmeyer, H. (author) journal article 1949
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- Helm, Kurt (author) journal article 1949
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- Kempf, Günther (author) journal article 1949