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发明名称
Power plant
摘要
申请公布号
US2219459(A)
申请公布日期
1940.10.29
申请号
US19390280030
申请日期
1939.06.20
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
SPENCER HARRY H.
分类号
H02H7/12
主分类号
H02H7/12
代理机构
代理人
主权项
地址
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