GB/T 39564.2-2020光纤到户用多电信业务经营者共用型配线设施第2部分:光纤配线架标准
英文:Multi-carrier shared distribution infrastructure for fibre to the home—Part 2: Optical fibre distribution frame GB/T ...
英文:Multi-carrier shared distribution infrastructure for fibre to the home—Part 2: Optical fibre distribution frame GB/T ...