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经营范围
发明名称
Coated core
摘要
申请公布号
US1800411(A)
申请公布日期
1931.04.14
申请号
US19270175779
申请日期
1927.03.16
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
SELVIG JOHN NILSEN
分类号
H01B13/12
主分类号
H01B13/12
代理机构
代理人
主权项
地址
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