Fecha de publicación: 28/02/2018
Health and safety in welding and allied processes Requirements, testing and marking of equipment for air filtration Part 3: Determination of the capture efficiency of on-torch welding fume extraction devices
Fecha de publicación: 28/02/2018
Health and safety in welding and allied processes Requirements, testing and marking of equipment for air filtration Part 3: Determination of the capture efficiency of on-torch welding fume extraction devices
gracias, por fin encontre la normativa entera, lo unico que hay que hacerlo con el navegador opera gx como indica pero bueno...
gracias, es dificil de encontrar sin pagar