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发明名称
Dispositif pour extension de bande
摘要
申请公布号
FR880105(A)
申请公布日期
1943.03.15
申请号
FRD880105
申请日期
1942.03.11
申请人
发明人
SCHAUB GEORG VON
分类号
H03J3/10
主分类号
H03J3/10
代理机构
代理人
主权项
地址
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