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发明名称
Lautsprecher, insbesondere Hochtonlautsprecher
摘要
申请公布号
DE1002394(B)
申请公布日期
1957.02.14
申请号
DE1954S041772
申请日期
1954.12.01
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
POEHLS MAX
分类号
H04R9/02
主分类号
H04R9/02
代理机构
代理人
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