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经营范围
发明名称
Richtlautsprecher
摘要
申请公布号
DE2112516(B)
申请公布日期
1972.10.19
申请号
DED2112516
申请日期
1971.03.16
申请人
KURTZE,GUENTHER,DIPL.-PHYS.PROF.DR.
发明人
分类号
H04R1/40;H04R5/02;H04R7/04;H04R17/00;(IPC1-7):H04R1/34
主分类号
H04R1/40
代理机构
代理人
主权项
地址
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