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发明名称
Potentiometerkobling til Frembringelse af en til automatisk Forstærkningsregulering tjenende Styrespænding.
摘要
申请公布号
DK62038(C)
申请公布日期
1944.03.20
申请号
DKD62038
申请日期
1941.02.21
申请人
ELECTRICAL FONO-FILMS CO. A/S
发明人
DR. PHIL. KARL HERMAN FRANZ SCHLEGEL
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