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发明名称
Freiwahlschaltung nach dem Prinzip der Anschaltung mehrerer parallel-geschalteter negativer Widerstaende
摘要
申请公布号
DE1088555(B)
申请公布日期
1960.09.08
申请号
DE1959T016922
申请日期
1959.07.11
申请人
TELEFONBAU;NORMALZEIT G.M.B.H.
发明人
KLEBER DIPL.-ING. NORBERT
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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