DIAPHRAGME DE STÉTHOSCOPE
- 专利权人:
- 3M Innovative Properties Company
- 发明人:
- SITZ, Dean,KELLER, Joseph P.,JOHNSON, Mary Jo
- 申请号：
- EP16740512
- 公开号：
- EP3247278A4
- 申请日:
- 2016.01.12
- 申请国别(地区):
- EP
- 年份:
- 2018
- 代理人:
- 摘要：
- The present invention is a stethoscope diaphragm including a disc and a rim. The rim includes a plurality of features extending from an inner circumference of the rim.
- 来源网站：
- 中国工程科技知识中心
