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发明名称
Alternating current generator
摘要
申请公布号
US2348352(A)
申请公布日期
1944.05.09
申请号
US19410394466
申请日期
1941.05.21
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MALLINA RUDOLPH F.
分类号
H04M19/02
主分类号
H04M19/02
代理机构
代理人
主权项
地址
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