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经营范围
发明名称
High frequency contact bridge
摘要
申请公布号
GB752663(A)
申请公布日期
1956.07.11
申请号
GB19540003216
申请日期
1954.02.03
申请人
CONTRAVES AG
发明人
分类号
H01P7/04;H03F3/54
主分类号
H01P7/04
代理机构
代理人
主权项
地址
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