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发明名称
Improvements in or relating to radio-frequency attenuators
摘要
申请公布号
GB628737(A)
申请公布日期
1949.09.05
申请号
GB19450023620
申请日期
1945.09.13
申请人
ADVANCE COMPONENTS LIMITED;RODNEY HERBERT HATFIELD
发明人
分类号
H03H7/24
主分类号
H03H7/24
代理机构
代理人
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地址
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