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发明名称
Shield box and tuning mechanism for electron tubes
摘要
申请公布号
US2453148(A)
申请公布日期
1948.11.09
申请号
US19430496653
申请日期
1943.07.29
申请人
MCCALL FRED H;PETER DEVREOTES
发明人
MCCALL FRED H.;DEVREOTES PETER
分类号
H05K9/00
主分类号
H05K9/00
代理机构
代理人
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