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发明名称
Sprachschalter
摘要
申请公布号
DE1904611(A1)
申请公布日期
1970.08.13
申请号
DE19691904611
申请日期
1969.01.30
申请人
WACHTEL,KURT
发明人
WACHTEL,KURT
分类号
H04B3/46;H04M11/04
主分类号
H04B3/46
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代理人
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