9
Computer hardware and computer software used for enabling and managing optical network switching and transport systems for use in limited area networks, metropolitan area networks, and wide area networks
37
Installation, repair and maintenance services limited exclusively to support the return and repair of its own primary products designed and sold by itself, namely optical multiplexers and switchers for use in limited area networks, metropolitan area networks, and wide area networks
41
Educational services, namely training related exclusively and limited to its own customers who have purchased its products featuring training related to the operational aspect of its primary products in the field of optical network switching and transport systems for use in limited area networks, metropolitan area networks, and wide area networks
42
Engineering of element management software; installation, repair and maintenance of element management software
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