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经营范围
发明名称
Elektroakustischer Wandler
摘要
申请公布号
CH536056(A)
申请公布日期
1973.04.15
申请号
CH19700003579
申请日期
1970.03.11
申请人
ZELLWEGER AG APPARATE- UND MASCHINENFABRIKEN USTER
发明人
WEIDMANN,ROBERT;HOEHN,GOTTFRIED
分类号
H04R1/22;(IPC1-7):H04R1/38
主分类号
H04R1/22
代理机构
代理人
主权项
地址
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