CPC Subgroup Additional Only
G01N 2201/0886 and using OTDR
Full Title
Features of devices classified in G01N21/00 > Optical fibres; light guides > Using a sensor fibre > and using OTDR
G01N 2201/0886 Features of devices classified in G01N21/00 > Optical fibres; light guides > Using a sensor fibre > and using OTDR