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RETAINING CAP FOR A STANDARD EARPIECE AND STANDARD EARPIECE
RETAINING CAP FOR A STANDARD EARPIECE AND STANDARD EARPIECE
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机译:标准尺和标准尺的保持帽
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摘要
A standard earpiece which is insertable in an ear canal in a direction of insertion has a corresponding retaining cap. The retaining cap is configured in such a way, in this case, that it equally satisfies the requirements for wearing comfort, a secure seating of the standard earpiece, and proper ventilation of the ear.
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