H - Electricity – 04 – R
Inventor
H - Electricity
04
R
Inventor
Country: Germany
Apparatus for closing openings of a hearing aid or an ear...
Hearing aid
Hearing aid and apparatus used therein
In-the-ear hearing aid
Method and apparatus for producing an ear impression and for...
Apparatus for closing openings of a hearing aid or an ear...
In-the-ear hearing aid
Method and apparatus for producing an ear impression and for...
Mount for a sound transducer, particularly an earphone
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