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发明名称
Selbsttaetig veraenderliche elektrische Siebschaltung fuer eine sich aendernde Nutzfrequenz
摘要
申请公布号
DE884973(C)
申请公布日期
1953.07.30
申请号
DE1939S015470D
申请日期
1939.11.10
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
ALSLEBEN ERICH DR.-ING.
分类号
H04B1/16
主分类号
H04B1/16
代理机构
代理人
主权项
地址
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