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发明名称
Transmission level controlling arrangement
摘要
申请公布号
US2065489(A)
申请公布日期
1936.12.22
申请号
US19320622436
申请日期
1932.07.14
申请人
SIEMENS & HALSKE, AKTIENGESELLSCHAFT
发明人
ETZRODT KARL
分类号
H03G7/02
主分类号
H03G7/02
代理机构
代理人
主权项
地址
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