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US5680467A
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Hearing aid compensating for acoustic feedback
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DK56794A
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Coupling system for use when attaching a hearing aid to a person
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Locking device for a hearing aid battery chamber
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DK128292D0
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Hearing aid with compensation for acoustic feedback
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DK116692D0
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Method of attaching an electro-acoustic device and electro-acoustic device for use in the method
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US5259033A
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Hearing aid having compensation for acoustic feedback
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DK43292D0
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Hearing aid with compensation for acoustic feedback
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DK217790D0
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METHOD AND APPARATUS FOR CURRENTING CASTLE MATERIALS AND USE THEREOF
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EP0415677A2
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Hearing aid having compensation for acoustic feedback
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US5131128A
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Protection element for all-in-the-ear hearing aid and tool for use in the replacement hereof
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EP0381608A2
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Method and apparatus for the fitting of a hearing aid, and associated probe
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DK538487D0
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Protection organization for alt-i-heared hearing and tool for use in replacement of it
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DK20287D0
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Protection organization for alt-i-earned hearing device
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DK566278A
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Hook shape part for a rear ear hearing device
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