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Device for ventilating hearing apparatus involves channel in hearing air or mould connecting ear cavity internally of ear mould with ambiance
Device for ventilating hearing apparatus involves channel in hearing air or mould connecting ear cavity internally of ear mould with ambiance
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机译:用于使听力设备通风的装置包括听力空气中的通道或使耳模内部的耳腔内部具有氛围的模具。
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摘要
The device is for ventilating a hearing apparatus and involves a channel in the hearing aid or mould connecting the ear cavity internally of ear mould with the ambiance. The vent channel has at least one part comprising a number of capillary tubes or channels or slots.
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