| 发明名称 |
Tooth cleaning device |
| 摘要 |
|
| 申请公布号 |
US2474684(A) |
申请公布日期 |
1949.06.28 |
| 申请号 |
US19450606377 |
申请日期 |
1945.07.21 |
| 申请人 |
MCCAUGHLEY MICHAEL J |
发明人 |
MCCAUGHLEY MICHAEL J. |
| 分类号 |
A61C17/00 |
主分类号 |
A61C17/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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