NF A88-210-2:2008 Health and safety in welding and allied processes - Requirements, testing and marking of equipment for air filtration - Part 2 : determination of the minimum air volume flow rate of captor hoods and nozzles.
2008NF A88-210-2:2008 Health and safety in welding and allied processes - Requirements, testing and marking of equipment for air filtration - Part 2 : determination of the minimum air volume flow rate of captor hoods and nozzles.