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发明名称
Test circuit
摘要
申请公布号
US2482173(A)
申请公布日期
1949.09.20
申请号
US19440562514
申请日期
1944.11.08
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
HAGSTRUM HOMER D.
分类号
H01J25/587
主分类号
H01J25/587
代理机构
代理人
主权项
地址
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