NF C20-790-4-4:2012 Electrostatics - Part 4-4 : standard test methods for specific applications - Electrostatic classification of flexible intermediate bulk containers (FIBC)
2012NF C20-790-4-4:2012 Electrostatics - Part 4-4 : standard test methods for specific applications - Electrostatic classification of flexible intermediate bulk containers (FIBC)
2006NF C20-790-4-4:2006 Electrostatics - Part 4-4 : standard test methods for specific applications - Electrostatic classification of flexible intermediate bulk containers (FIBC).