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发明名称
DIAL PULSE REPEATING AND CORRECTING CIRCUIT
摘要
申请公布号
US3450843(A)
申请公布日期
1969.06.17
申请号
USD3450843
申请日期
1965.11.24
申请人
BELL TELEPHONE LAB. INC.
发明人
WALTER W. FRITSCHI
分类号
H03K5/01;H04Q1/36;(IPC1-7):H04M3/18
主分类号
H03K5/01
代理机构
代理人
主权项
地址
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