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发明名称
Phase shifter
摘要
申请公布号
US2773254(A)
申请公布日期
1956.12.04
申请号
US19530349118
申请日期
1953.04.16
申请人
INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
发明人
EUGELMANN HERBERT F.
分类号
H01P1/18;H01Q3/32
主分类号
H01P1/18
代理机构
代理人
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地址
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