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发明名称
Spark gap device
摘要
申请公布号
US2448576(A)
申请公布日期
1948.09.07
申请号
US19450616284
申请日期
1945.09.14
申请人
CAPITA EMIL R
发明人
CAPITA EMIL R.
分类号
H01J17/00;H01T11/00
主分类号
H01J17/00
代理机构
代理人
主权项
地址
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