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经营范围
发明名称
High-frequency electric transmission lines or wave guides
摘要
申请公布号
US2557261(A)
申请公布日期
1951.06.19
申请号
US19450606453
申请日期
1945.07.21
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED
发明人
COLLARD JOHN
分类号
H01P1/162
主分类号
H01P1/162
代理机构
代理人
主权项
地址
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