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发明名称
Electric switching mechanism
摘要
申请公布号
US2003782(A)
申请公布日期
1935.06.04
申请号
US19330663692
申请日期
1933.03.31
申请人
SIEMENS BROTHERS & COMPANY LIMITED
发明人
CHRISTIAN DAVID ADAM
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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