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发明名称
Phonogeraet
摘要
申请公布号
DE1116425(B)
申请公布日期
1961.11.02
申请号
DE1958E016520
申请日期
1958.10.02
申请人
ELECTROACUSTIC GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
发明人
KRIEBEL DIPL.-ING. WALTER
分类号
G11B33/02;H04R1/20
主分类号
G11B33/02
代理机构
代理人
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