[INDUSTRIAL HYGIENE OBSERVATIONS ON REFRIGERANTS].
D000059:Accidents; D000062:Accidents, Occupational; D005858:Germany; D005859:Germany, East; D006801:Humans; D007221:Industry; D009784:Occupational Diseases; D016272:Occupational Health; D012034:Refrigeration; D014116:Toxicology
ACCIDENTS, INDUSTRIAL; GERMANY, EAST; OCCUPATIONAL DISEASES; REFRIGERATION; TOXICOLOGIC REPORT
ARBEITSHYGIENISCHE BETRACHTUNGEN UEBER KAELTEMITTEL.