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发明名称
VORRICHTUNG ZUR UMWANDLUNG AKUSTISCHER SCHWINGUNGEN
摘要
申请公布号
DE2001852(B2)
申请公布日期
1976.07.29
申请号
DE19702001852
申请日期
1970.01.16
申请人
发明人
分类号
H04R9/02;(IPC1-7):H04R9/00
主分类号
H04R9/02
代理机构
代理人
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