| 发明名称 |
Animal respiratory mask |
| 摘要 |
|
| 申请公布号 |
US2811966(A) |
申请公布日期 |
1957.11.05 |
| 申请号 |
US19560573571 |
申请日期 |
1956.03.23 |
| 申请人 |
HULL WAYLAND E |
发明人 |
HULL WAYLAND E. |
| 分类号 |
A61D7/04 |
主分类号 |
A61D7/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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