Measuring device in the connecting line between two electric power stations working in parallel |
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| 申请号 | US73323524 | 申请日 | 1924-08-20 | 公开(公告)号 | US1585326A | 公开(公告)日 | 1926-05-18 |
| 申请人 | LANDIS & GYR SA; | 发明人 | WILLI BEUSCH; | ||||
| 摘要 | |||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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