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Retractable stethoscope
专利权人:
Mark Gross
发明人:
Mark Gross
申请号:
US16198714
公开号:
US20200155112A1
申请日:
2018.11.21
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A retractable stethoscope comprising a case, at least one piece of acoustic tubing, at least one ear piece, and a chest piece. The chest piece is coupled to one end of the acoustic tubing, and at least one ear piece is coupled to another end of the acoustic tubing. The length of the acoustic tubing may extend from and retract into the case from the ear piece end, the chest piece end of the acoustic tubing, or both ends either independently or simultaneously. The retractable stethoscope may further comprise a belt clip.
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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