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Relation between and precision of dust counts (light- and dark-field) from simultaneous impinger, midget-impinger, electric-precipitator, and filter-paper samples
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Published Year
1940-1949 (1) *
Subject
Dust control (1)
Dust--Measurement (1)
Industrial hygiene (1)
Particle size determination (1) *
Author
Brown, Carlton E. (1)
Schrenk, H. H. (1)