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发明名称
Adjustable frequency commutator generator
摘要
申请公布号
US2573494(A)
申请公布日期
1951.10.30
申请号
US19470762963
申请日期
1947.07.23
申请人
HEINZ ROSENBERG
发明人
ROSENBERG HEINZ
分类号
H02K27/28
主分类号
H02K27/28
代理机构
代理人
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地址
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