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发明名称
TOLL TICKETING TELEPHONE SYSTEM
摘要
申请公布号
CA655730(A)
申请公布日期
1963.01.08
申请号
CAD655730
申请日期
申请人
AUTOMATIC ELECTRIC LABORATORIES
发明人
JAMES M. BLACKHALL
分类号
主分类号
代理机构
代理人
主权项
地址
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