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发明名称
Anordning til Fastholdelse af en Mikrotelefon under Benyttelsen.
摘要
申请公布号
DK45822(C)
申请公布日期
1932.06.20
申请号
DKD45822
申请日期
1931.06.27
申请人
ERICH KOENIGSBERGER
发明人
ERICH KOENIGSBERGER
分类号
主分类号
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