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发明名称
ELECTRONIC SWITCHING SYSTEM
摘要
申请公布号
CA712659(A)
申请公布日期
1965.06.29
申请号
CAD712659
申请日期
申请人
AUTOMATIC ELECTRIC LABORATORIES
发明人
PETER E. OSBORN
分类号
主分类号
代理机构
代理人
主权项
地址
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