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发明名称
Perfectionnements relatifs aux hybrides électriques et aux dispositifs de commutation des antennes d'émission
摘要
申请公布号
FR1127445(A)
申请公布日期
1956.12.17
申请号
FRD1127445
申请日期
1955.03.25
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LTD
发明人
分类号
H03H7/48
主分类号
H03H7/48
代理机构
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