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经营范围
发明名称
Automatic telephone switching system
摘要
申请公布号
US3102930(A)
申请公布日期
1963.09.03
申请号
US19590799260
申请日期
1959.03.13
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
ANDERSON LYNN T.;JR. ERNEST G. CRANE,
分类号
H04Q3/62
主分类号
H04Q3/62
代理机构
代理人
主权项
地址
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