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发明名称
émetteur de signal acoustique avec réglage de l'intensité sonore
摘要
申请公布号
FR1505722(A)
申请公布日期
1967.12.15
申请号
FR19660087635
申请日期
1966.12.15
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
分类号
G10K9/15;H01H51/34
主分类号
G10K9/15
代理机构
代理人
主权项
地址
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