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发明名称
Electrooptical feedback system
摘要
申请公布号
US2414686(A)
申请公布日期
1947.01.21
申请号
US19420467442
申请日期
1942.11.30
申请人
RADIO CORPORATION
发明人
BADMAIEFF ALEXIS
分类号
G11B7/00
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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