Ngā hua rapu - "Industrial hygiene."
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Air contaminants : permissible exposure limits (Title 29 Code of federal regulations, part 1910.1000).
I whakaputaina 1989Pukapuka -
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Particle size analysis in industrial hygiene / Leslie Silverman, Charles E. Billings [and] Melvin W. First.
I whakaputaina 1971Pukapuka -
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Pulmonary deposition and retention of inhaled aerosols, by Theodore F. Hatch and Paul Gross.
I whakaputaina 1964Pukapuka -
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Beryllium: its industrial hygiene aspects. / Edited by Herbert E. Stokinger.
I whakaputaina 1966Pukapuka -
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