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经营范围
发明名称
Electrical condenser and dielectric element
摘要
申请公布号
US2391686(A)
申请公布日期
1945.12.25
申请号
US19400365642
申请日期
1940.11.14
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MCLEAN DAVID A.
分类号
H01B3/18;H01B3/48
主分类号
H01B3/18
代理机构
代理人
主权项
地址
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