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发明名称
Electromagnetic mechanism
摘要
申请公布号
US2189934(A)
申请公布日期
1940.02.13
申请号
US19390266633
申请日期
1939.04.07
申请人
BILGART ERIC E
发明人
BILGART ERIC E.
分类号
G10K1/062
主分类号
G10K1/062
代理机构
代理人
主权项
地址
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