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发明名称
CURRENT SYNCHRONIZING DEVICE
摘要
申请公布号
CA380830(A)
申请公布日期
1939.04.18
申请号
CAD380830
申请日期
申请人
ELECTRIC MACHINERY MANUFACTURING COMPANY
发明人
EDWIN W. SWANSON
分类号
主分类号
代理机构
代理人
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