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发明名称
EINRICHTUNG ZUR VORNAHME VON AKUSTISCHEN MESSUNGEN.
摘要
申请公布号
DE1634821(U)
申请公布日期
1952.02.21
申请号
DE195000S2587U
申请日期
1950.12.09
申请人
SIEMENS & HALSKE A.G.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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