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Earplug sound blocker
专利权人:
Daniel R. Schumaier
发明人:
Daniel R. Schumaier
申请号:
US15190645
公开号:
US09730837B1
申请日:
2016.06.23
申请国别(地区):
US
年份:
2017
代理人:
摘要:
An earplug and earplug kit having an ear insert, one or more filters that are interchangeable and that may be removably mounted to the insert for filtering various levels and types of sounds, and one or more decorative sound blocking members that are interchangeable and that may be removably mounted to the insert for reflecting or absorbing at least a portion of sounds directed toward a users ear.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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