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Corded hearing protective device and method of manufacturing the same
专利权人:
Robert Franciszek Barwacz
发明人:
Robert Franciszek Barwacz
申请号:
US10282280
公开号:
US08708091B2
申请日:
2002.10.28
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A hearing protective device is provided including a first sound attenuating element, a second sound attenuating element, a flexible elongated member connecting the first sound attenuating element and the second sound attenuating element, and a knot formed in the flexible elongated member, the knot is untied by moving the first sound attenuating element in a direction away from second sound attenuating element.
来源网站:
中国工程科技知识中心
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