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发明名称
Geraet zur Tonwiedergabe bzw. -aufzeichnung
摘要
申请公布号
DE740896(C)
申请公布日期
1944.10.11
申请号
DE1940S139927D
申请日期
1940.01.26
申请人
SIEMENS & HALSKE AG.
发明人
SCHAAF ALEXANDER;RAINER ACHIM
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