| 发明名称 |
Indicating device |
| 摘要 |
|
| 申请公布号 |
US3029520(A) |
申请公布日期 |
1962.04.17 |
| 申请号 |
US19560629060 |
申请日期 |
1956.12.18 |
| 申请人 |
REEVES DONALD A |
发明人 |
REEVES DONALD A. |
| 分类号 |
H03K3/78 |
主分类号 |
H03K3/78 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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