60 resultados para Subjective and objective hearing protection evaluation method
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Shipping list no.: 2001-0142-P.
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"Funded by the Office of Naval Research, Organizational Effectiveness Research Programs, under Contract no. N00014-67-A-0181-0013, NR 170-719/7-29-68 (Code 452)"
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"February 19, 1987"--Pt. 2.
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Mode of access: Internet.
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Includes bibliographical references.
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"September 13, 1990".
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CIS Microfiche Accession Numbers: CIS 86 S541-62
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Bibliography: p. 6.
Evaluation of the Technicon block digestor system for total kjeldahl nitrogen and total phosphorus /
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Issued Feb. 1978.
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Mode of access: Internet.
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Item 431-I-7