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发明名称
Verfahren zur objektiven Messung oder oszillographischen Aufzeichnung der Klangbilder von Geraeuschen o. dgl.
摘要
申请公布号
DE597669(C)
申请公布日期
1934.05.29
申请号
DE1931S099156D
申请日期
1931.06.13
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
分类号
G10L21/06
主分类号
G10L21/06
代理机构
代理人
主权项
地址
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