NF C93-537-4-17*NF EN 50289-4-17:2016 Communication cables - Specifications for test methods - Part 4-17 : test methods for UV resistance evaluation of the sheath of electrical and optical fibre cable
2016NF C93-537-4-17*NF EN 50289-4-17:2016 Communication cables - Specifications for test methods - Part 4-17 : test methods for UV resistance evaluation of the sheath of electrical and optical fibre cable