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经营范围
发明名称
Ferrod gate scanning circuit
摘要
申请公布号
US3231683(A)
申请公布日期
1966.01.25
申请号
US19630250948
申请日期
1963.01.11
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
LOWRY TERRELL N.;MACK JOHN E.;MAY HAROLD F.;SMATHERS JOHN E.
分类号
H04Q3/42
主分类号
H04Q3/42
代理机构
代理人
主权项
地址
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