00891cam a22002651 4500 l 57000125 DLC 20260227111545.0 800307s1957 sz 000 0 eng c l 57000125 (OCoLC)6061354 U.S. Dept. of Labor NBuU DLC premarc HD7261 .I65 331.822 International Labour Office Organisation of occupational health services in places of employment. Sixth item on the agenda. Geneva, 1957- v. 23 cm. At head of title: Report 6(1)- International Labour Conference. 42d sess., 1958. Industrial hygiene. Industrial hygiene Law and legislation. International Labor conference. 42d, Geneva, 1958 (projected) Occupational health services. 36952 36952