9
Opto-electronic devices for monitoring the performance of an optical network; opto-electronic devices for monitoring and tracking individual optical channels in an optical network; software for monitoring the performance of an optical network; software for monitoring and tracking individual optical channels in an optical network
38
Monitoring the performance of an optical communications network; monitoring and tracking the propagation and parameters of individual optical channels in an optical communications network; consulting, information and advisory services in the telecommunications industry
42
Monitoring the performance of an optical network; monitoring and tracking the propagation and parameters of individual optical channels in an optical network
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