| 发明名称 |
Respiratory protection device |
| 摘要 |
A respiratory device includes a face seal and a unitary body that forms an interface with the face seal and includes a lens and a chassis. The chassis includes at least one port for fluidic connection. |
| 申请公布号 |
US8074648(B2) |
申请公布日期 |
2011.12.13 |
| 申请号 |
US20090502447 |
申请日期 |
2009.07.14 |
| 申请人 |
BETZ JAMES R.;HARMON BRANDON H.;VINER ANDREW S.;LARSON SCOTT A.;CASTIGLIONE DAVID M.;3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
BETZ JAMES R.;HARMON BRANDON H.;VINER ANDREW S.;LARSON SCOTT A.;CASTIGLIONE DAVID M. |
| 分类号 |
A62B23/02 |
主分类号 |
A62B23/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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