NF C93-850-2-20*NF EN 60794-2-20:2015 Optical fibre cables - Part 2-20 : indoor cables - Family specification for multi-fibre optical distribution cables
2015NF C93-850-2-20*NF EN 60794-2-20:2015 Optical fibre cables - Part 2-20 : indoor cables - Family specification for multi-fibre optical distribution cables