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发明名称
Protective electronic tube and circuit
摘要
申请公布号
US2760065(A)
申请公布日期
1956.08.21
申请号
US19500181311
申请日期
1950.08.24
申请人
GILBERT WILKES
发明人
WILKES GILBERT
分类号
H01J17/04
主分类号
H01J17/04
代理机构
代理人
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地址
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