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发明名称
Perfectionnements relatifs aux dispositifs de manipulation pour fréquences radio
摘要
申请公布号
FR939286(A)
申请公布日期
1948.11.09
申请号
FRD939286
申请日期
1946.08.29
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
WILLOUGHBY ERIC OSBORNE
分类号
G01S1/02
主分类号
G01S1/02
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代理人
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