Hearing-aid, worn behind the ear and attachment module for a hearing-aid of this type
A Standard patent application filed on 15 November 1999 credited to Vonlanthen, Andi
Details
Application number :
10255
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Hearing-aid, worn behind the ear and attachment module for a hearing-aid of this type