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发明名称
Delay line
摘要
申请公布号
US2729795(A)
申请公布日期
1956.01.03
申请号
US19450617420
申请日期
1945.09.19
申请人
HOEPPNER CONRAD H
发明人
HOEPPNER CONRAD H.
分类号
H03H7/32
主分类号
H03H7/32
代理机构
代理人
主权项
地址
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