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发明名称
Schallaufnahme- bzw. Wiedergabegeraet
摘要
申请公布号
DE1120504(B)
申请公布日期
1961.12.28
申请号
DE1959K037177
申请日期
1959.03.07
申请人
HUGH SHALER KNOWLES
发明人
KNOWLES HUGH SHALER
分类号
H04R11/00
主分类号
H04R11/00
代理机构
代理人
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