ONE PIECE STETHOSCOPE DIAPHRAGM

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专利权人:

3M INNOVATIVE PROPERTIES COMPANY

发明人:

Joseph P. Keller,Dean Sitz,Mary Jo Johnson

申请号：

US15500128

公开号：

US20180214114A1

申请日:

2015.07.30

申请国别(地区):

US

年份:

2018

代理人:

摘要：

The present invention is a diaphragm including a disc formed from a first material and a rim formed from a second material. The disc and the rim are a unitary piece. The rim has a Shore A durometer hardness of between about 40 and 110.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/