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发明名称
Anordnung zur Frequenzvervielfachung mittels einer gesaettigten Eisendrossel
摘要
申请公布号
DE957236(C)
申请公布日期
1957.01.31
申请号
DE1955F017407
申请日期
1955.04.28
申请人
FELTEN & GUILLEAUME FERNMELDEANLAGEN G.M.B.H.
发明人
SIPPEL DIPL.-ING. HELMUT
分类号
H03B19/03;H04J1/06
主分类号
H03B19/03
代理机构
代理人
主权项
地址
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