9
Headphones; earphones; audiometers for non-medical use; electronic sound amplifiers; electronic sound amplifiers for use in and together with earphones; electronic sound amplifiers for use in and together with earphones with noise control, noise suppression, impulse noise suppression and intelligent adaptive hearing protection circuitry to filter, subdue or control undesirable noise or sounds and to allow two-way communication in noisy and stressful environments; two-way or multi-directional communication microphones, earphones and headsets with noise control, noise suppression, impulse noise suppression and intelligent adaptive hearing protection circuitry to filter, subdue or control undesirable noise or sounds and to allow two-way communication in noisy and stressful environments; electronic headsets; electronic noise suppression headsets; electronic headsets with impulse noise protection and suppression; electronic headsets with intelligent adaptive hearing protection circuitry; two-way radios and wireless communicators for use in combat, in battlefield conditions, in military, military special forces and law enforcement activities, in noisy aircraft, watercraft and vehicle environments, and in highly stressful, noisy and difficult environments
10
Hearing aids; noise suppression hearing aids; impulse noise protection hearing aids; audiometers for medical use; intelligent adaptive hearing aids and speech assistance communications devices for use in combat, in battlefield conditions, in military, military special forces and law enforcement activities, in noisy aircraft, watercraft and vehicle environments, and in highly stressful, noisy and difficult environments
41
Education and training services, namely providing educational classes, seminars, group and individual training on intelligent, adaptive hearing and communication techniques in combat, in battlefield conditions, in military, military special forces and law enforcement activities, in noisy aircraft, watercraft and vehicle environments, and in highly stressful, noisy and difficult environments; providing educational classes, seminars and conferences, and training services in the field of audiology, hearing devices, electronic amplification and filtering devices, microphones, digital active noise reduction and filtering, and digital and analog signal processing techniques
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