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发明名称
SWITCHING SYSTEMS
摘要
申请公布号
CA509711(A)
申请公布日期
1955.02.01
申请号
CAD509711
申请日期
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
DAVID H. RANSOM;RONALD H. TAPLIN;WILLIAM L. ROBERTS
分类号
主分类号
代理机构
代理人
主权项
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