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发明名称
ARC-EXTINGUISHING APPARATUS FOR ELECTRIC SWITCHES
摘要
申请公布号
US3423553(A)
申请公布日期
1969.01.21
申请号
USD3423553
申请日期
1966.07.27
申请人
SIEMENS AG.
发明人
RUDOLF PRATSCH BERLIN
分类号
H01H33/56;(IPC1-7):H01H33/82
主分类号
H01H33/56
代理机构
代理人
主权项
地址
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