NF C20-790-4-1*NF EN 61340-4-1:2004 Electrostatics - Part 4-1 : standard test methods for specific applications - Electrical resistance of floor coverings and installed floors
2004NF C20-790-4-1*NF EN 61340-4-1:2004 Electrostatics - Part 4-1 : standard test methods for specific applications - Electrical resistance of floor coverings and installed floors