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发明名称
SCHALLSTRAHLER MIT SCHALLSTRAHLERELEMENTEN, VON DENEN JEDES MINDESTENS DREI EINZELLAUTSPRECHER UND/ODER LAUGSPRECHERKOMBINATIONEN IN REIHENFOERMIGER ANORDNUNG AUFWEIST
摘要
申请公布号
DE2017649(B2)
申请公布日期
1972.12.28
申请号
DE19702017649
申请日期
1970.04.13
申请人
发明人
分类号
H04R1/32;(IPC1-7):H04R1/20
主分类号
H04R1/32
代理机构
代理人
主权项
地址
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