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发明名称
Lautsprecher mit Vielzellentrichter
摘要
申请公布号
DE937063(C)
申请公布日期
1955.12.29
申请号
DE1952S029104
申请日期
1952.06.28
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
KALUSCHE HEINRICH DIPL.-ING. DR.
分类号
H04R1/34
主分类号
H04R1/34
代理机构
代理人
主权项
地址
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