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经营范围
发明名称
Embedded coil and method of manufacturing
摘要
申请公布号
US2914600(A)
申请公布日期
1959.11.24
申请号
US19520308072
申请日期
1952.09.05
申请人
CHICAGO TELEPHONE OF CALIFORNIA, INC.
发明人
SMITH NATHAN R.;ROSEN NORMAN J.
分类号
H01F38/12
主分类号
H01F38/12
代理机构
代理人
主权项
地址
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