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发明名称
AUTOMATIC DIAL CIRCUIT
摘要
申请公布号
CA852300(A)
申请公布日期
1970.09.22
申请号
CAD852300
申请日期
1968.02.07
申请人
THE BELL TELEPHONE CO. OF CANADA
发明人
DEREK LEYBURN
分类号
H04M1/2745
主分类号
H04M1/2745
代理机构
代理人
主权项
地址
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