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经营范围
发明名称
Oscilloscope circuit
摘要
申请公布号
US2444338(A)
申请公布日期
1948.06.29
申请号
US19450597458
申请日期
1945.06.04
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
DIMOND THOMAS L.
分类号
G01R13/22;G01R13/28
主分类号
G01R13/22
代理机构
代理人
主权项
地址
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