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发明名称
Perfectionnements à la sélection des amplitudes
摘要
申请公布号
FR928722(A)
申请公布日期
1947.12.05
申请号
FRD928722
申请日期
1946.04.01
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
GRIEG DONALD DAVID
分类号
H03G11/00
主分类号
H03G11/00
代理机构
代理人
主权项
地址
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