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发明名称
RECTIFIER DIALLING FOR UNIVERSAL SYSTEMS
摘要
申请公布号
CA456390(A)
申请公布日期
1949.05.03
申请号
CAD456390
申请日期
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
GERALD DEAKIN
分类号
主分类号
代理机构
代理人
主权项
地址
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