RESCUE BREATHING APPARATUS
- 专利权人:
- Mark A. Crowell
- 发明人:
- Mark A. Crowell
- 申请号：
- US15983963
- 公开号：
- US20180361092A1
- 申请日:
- 2018.05.18
- 申请国别(地区):
- US
- 年份:
- 2018
- 代理人:
- 摘要：
- A rescue tube comprising a tube having a first and second end, a one-way valve and a ported double swivel elbow wherein the one-way valve and ported double swivel elbow are connected to one another, and the one-way valve is attached to the tube.
- 来源网站：
- 中国工程科技知识中心
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