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经营范围
发明名称
Electrical condenser
摘要
申请公布号
US2164165(A)
申请公布日期
1939.06.27
申请号
US19380198821
申请日期
1938.03.30
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
RODGERS KARL F.
分类号
H03H7/24;H04B3/14
主分类号
H03H7/24
代理机构
代理人
主权项
地址
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