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发明名称
Electromagnetic current-interruption indicating means for electric time instruments
摘要
申请公布号
US2430782(A)
申请公布日期
1947.11.11
申请号
US19470729386
申请日期
1947.02.18
申请人
POOLE ARTHUR B
发明人
POOLE ARTHUR B.
分类号
B23Q7/04;G04C15/00;H02K11/00
主分类号
B23Q7/04
代理机构
代理人
主权项
地址
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