UNE-EN 60240-1:1994 CHARACTERISTICS OF ELECTRIC INFRA-RED EMITTERS FOR INDUSTRIAL HEATING. PART 1: SHORT WAVE INFRA-RED EMITTERS. (Endorsed by AENOR in April of 1996.)
1996UNE-EN 60240-1:1994 CHARACTERISTICS OF ELECTRIC INFRA-RED EMITTERS FOR INDUSTRIAL HEATING. PART 1: SHORT WAVE INFRA-RED EMITTERS. (Endorsed by AENOR in April of 1996.)