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发明名称
Verfahren zum Herstellen von Schalldosen fuer Sprechmaschinen
摘要
申请公布号
DE566879(C)
申请公布日期
1932.12.27
申请号
DENDATW084377D
申请日期
申请人
DEMETRIUS WINKLER
发明人
分类号
H04R7/16
主分类号
H04R7/16
代理机构
代理人
主权项
地址
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Sicherheitsraum
