TY - BOOK ED - E.U.A. Department of Health, Education and Welfare TI - NIOSH/OSHA pocket guide to chemical hazards U1 - 658.382 21 PY - 1978/// CY - Washington PB - National Institute for Occupational, Department of Labor KW - Industria KW - Medidas de seguridad KW - Productos químicos KW - Efectos fisiológicos KW - Toxicología industrial ER -