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经营范围
发明名称
SWITCHING SYSTEM
摘要
申请公布号
CA782651(A)
申请公布日期
1968.04.09
申请号
CAD782651
申请日期
申请人
NORTHERN ELECTRIC COMPANY LIMITED
发明人
EUGENE B. LOTOCHINSKI;BARRY J. ECKHART
分类号
主分类号
代理机构
代理人
主权项
地址
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