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经营范围
发明名称
FOUR WIRE TO TWO WIRE CONNECTING CIRCUIT
摘要
申请公布号
CA513406(A)
申请公布日期
1955.05.31
申请号
CAD513406
申请日期
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
ESMOND P. G. WRIGHT;DONALD A. WEIR
分类号
主分类号
代理机构
代理人
主权项
地址
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