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发明名称
RAUSCHARMER ELEKTROAKUSTUSCHER WANDLER
摘要
申请公布号
DE1811479(B2)
申请公布日期
1971.11.25
申请号
DE19681811479
申请日期
1968.11.28
申请人
发明人
分类号
H04R1/22;H04R19/04;(IPC1-7):H04R1/00
主分类号
H04R1/22
代理机构
代理人
主权项
地址
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