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Industrial Hygiene Digest
INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS
MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL
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MARCH, 1963 (Vol. 27, No. 3)
INDUSTRIAL HYGIENE FOUNDATION
MELLON INSTITUTE
4400 FIFTH AVENUE
PITTSBURGH 13. PA. i
SC-ALL-11020
SCF-ALLF-02365
Q312H6S