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经营范围
发明名称
Hydraulisches Ausfahrgeraet fuer Schallapparate
摘要
申请公布号
DE548335(C)
申请公布日期
1932.04.14
申请号
DE1929E039063D
申请日期
1929.04.05
申请人
ELECTROACUSTIC G. M. B. H.
发明人
分类号
G10K11/35
主分类号
G10K11/35
代理机构
代理人
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地址
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