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发明名称
Electric contact device
摘要
申请公布号
US2185950(A)
申请公布日期
1940.01.02
申请号
US19380188580
申请日期
1938.02.03
申请人
ROSE HARM C
发明人
ROSE HARM C.
分类号
H01H51/34;H05C1/00
主分类号
H01H51/34
代理机构
代理人
主权项
地址
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