| 发明名称 |
List indicator |
| 摘要 |
|
| 申请公布号 |
US2706341(A) |
申请公布日期 |
1955.04.19 |
| 申请号 |
US19450630359 |
申请日期 |
1945.11.23 |
| 申请人 |
HAVENS BYRON L |
发明人 |
HAVENS BYRON L. |
| 分类号 |
F41G3/24;G01C9/24 |
主分类号 |
F41G3/24 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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