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发明名称
Elektromechanischer Wandler auf Halbleiterbasis
摘要
申请公布号
DE1487476(A1)
申请公布日期
1969.08.07
申请号
DE19661487476
申请日期
1966.10.07
申请人
SIEMENS AG
发明人
FRANZ-JOSEF LANDKAMMER,DIPL.-ING.DR.
分类号
H04R23/00
主分类号
H04R23/00
代理机构
代理人
主权项
地址
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