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发明名称
Vorrichtung zum Ausgleich der infolge Temperaturbeeinflussung entstehenden AEnderungen der Tonhoehe eingespannter Membranen
摘要
申请公布号
DE531582(C)
申请公布日期
1931.08.13
申请号
DE1926K101158D
申请日期
1926.10.16
申请人
HEINRICH KUECHENMEISTER
发明人
分类号
H04R7/24
主分类号
H04R7/24
代理机构
代理人
主权项
地址
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