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发明名称
Einrichtung zum Ausgleich der Druckverhaeltnisse elastisch eingespannter Membranen
摘要
申请公布号
DE692146(C)
申请公布日期
1940.06.13
申请号
DE193600D4074D
申请日期
1936.12.06
申请人
DR. DIETZ & RITTER G.M.B.H.
发明人
DIETZE WERNER
分类号
H04R1/02
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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