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经营范围
发明名称
ELECTRIC RECEPTACLE
摘要
申请公布号
CA339637(A)
申请公布日期
1934.02.27
申请号
CAD339637
申请日期
申请人
THE ARROW-HART AND HEGEMAN ELECTRIC COMPANY
发明人
JOHN R. COOK
分类号
主分类号
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