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Ear Protection Device
专利权人:
Concetta DiPiazza
发明人:
Concetta DiPiazza
申请号:
US14165640
公开号:
US20150209185A1
申请日:
2014.01.28
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A ear protection device that is operable to prevent matter from entering the ear canal of a user while not diminishing the hearing capability of the user. The ear protection device includes a body said body having an integrally formed first portion and second portion. The body further has a first end and a second end having an opening proximate the first end and the second end. A substantially hollow passage is operably coupled intermediate the openings proximate the first end and second end. A filter is mounted across the passage proximate the first end that is operable to prevent matter from passing therethrough. The second end of the ear protection device extends at least partially into the ear canal of the user.
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中国工程科技知识中心
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http://www.ckcest.cn/home/

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