| 发明名称 |
Radio relay system |
| 摘要 |
|
| 申请公布号 |
US2477570(A) |
申请公布日期 |
1949.08.02 |
| 申请号 |
US19450571486 |
申请日期 |
1945.01.05 |
| 申请人 |
BERG RUSSELL A |
发明人 |
BERG RUSSELL A. |
| 分类号 |
H04B7/165 |
主分类号 |
H04B7/165 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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