| 发明名称 |
Circuit breaker |
| 摘要 |
In a circuit breaker having puffer type circuit breaking units housed within a tank of metal material, an inspection opening is formed in the tank side wall at a position opposite to a contact assembly in each of the circuit breaking units and is tightly closed by a detachable cover.
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| 申请公布号 |
US3941963(A) |
申请公布日期 |
1976.03.02 |
| 申请号 |
US19740469761 |
申请日期 |
1974.05.14 |
| 申请人 |
HITACHI, LTD. |
发明人 |
SASAKI, KOUJI;NAKANO, SEIZO;TSUBAKI, TOHRU |
| 分类号 |
H01H33/915;H01H33/14;H01H33/56;H01H33/70;(IPC1-7):H01H33/88 |
主分类号 |
H01H33/915 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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