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Device Class Definition for PID 1.0 | USB-IF
USB Device Classes - Developer Help
Class definitions for Communication Devices 1.2 | USB-IF
USB communications device class - Wikipedia
USB Device Class Definition for Audio/Video Devices Basic Device …
USB Device Class Definition for Video Devices - studylib.net
Document Library | USB-IF
Billboard Device Class Spec Revision 1.2.2 and Adopters Agreement - USB …