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发明名称
Switching device
摘要
申请公布号
US2837610(A)
申请公布日期
1958.06.03
申请号
US19550523248
申请日期
1955.07.20
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
LAMPE FRIEDRICH;LAA FRIEDRICH
分类号
H01H13/74;H03J5/12;H03J5/32
主分类号
H01H13/74
代理机构
代理人
主权项
地址
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