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发明名称
AUTOMATIC TELEPHONE SYSTEMS
摘要
申请公布号
CA594657(A)
申请公布日期
1960.03.22
申请号
CAD594657
申请日期
申请人
THE GENERAL ELECTRIC COMPANY LIMITED
发明人
ALEXANDER A. CHUBB;MAURICE M. LEVY
分类号
主分类号
代理机构
代理人
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