Industrial survey of the state of Ohio: evaluation of industrial hygiene problems
Ohio. Department of Health. Adult Hygiene Division, author.
Ohio. Department of Health, issuing body.
Columbus, Ohio : Ohio Department of Health, 1940
Occupational Health Services
The National Library of Medicine believes this item to be in the public domain.
291 pages, 2 unnumbered folded leaves of plates
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Metadata (Dublin Core)