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发明名称
Selbstinduktionsspule veraenderlicher Induktivitaet mit in den Spulentraeger einschraubbarem Massekern
摘要
申请公布号
DE687054(C)
申请公布日期
1940.01.22
申请号
DE193400P9495D
申请日期
1934.05.29
申请人
PREH ELEKTROFEINMECHANISCHE WERKE INHABER JAKOB PREH
发明人
分类号
H01F17/04
主分类号
H01F17/04
代理机构
代理人
主权项
地址
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