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  • Schutz, R. H.; Ferber, B. I.; Kloos, E. J.
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    Respiratory Protective Devices Approved by the Bureau of Mines as of October 1, 1965.
    Bureau of Mines, Pittsburgh, PA
    IC 8281
    IC 8281
    1966
    25 p.

  • Freedman, R. W.; Ferber, B. I.; Duerr, W. H.
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    Gas-Sampling Capability of Vacutainers.
    Bureau of Mines, Pittsburgh, PA
    RI 8281
    RI 8281
    1978
    8 p.