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发明名称
Electric switch
摘要
申请公布号
US2626311(A)
申请公布日期
1953.01.20
申请号
US19510206367
申请日期
1951.01.17
申请人
ENGELHARD WILLIAM E
发明人
ENGELHARD WILLIAM E.
分类号
G05D23/22
主分类号
G05D23/22
代理机构
代理人
主权项
地址
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