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发明名称
GROUNDING-SWITCH DEVICE
摘要
申请公布号
US3603752(A)
申请公布日期
1971.09.07
申请号
USD3603752
申请日期
1970.01.15
申请人
WESTINGHOUSE ELECTRIC CORP.
发明人
RUSSELL E. FRINK
分类号
H02B11/22;H02B11/28;(IPC1-7):H01H33/00
主分类号
H02B11/22
代理机构
代理人
主权项
地址
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