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发明名称
Elektrostatischer Lautsprecher
摘要
申请公布号
AT191957(B)
申请公布日期
1957.09.25
申请号
ATD191957
申请日期
1956.02.01
申请人
ING. ERNST RICHTER
发明人
ING. ERNST RICHTER
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主分类号
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