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发明名称
Einrichtung zur Aussendung von Ultraschall
摘要
申请公布号
DE861338(C)
申请公布日期
1952.12.29
申请号
DE1939S007130D
申请日期
1939.09.21
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
TAMM RUDOLF DR.-ING.;POHLMAN RAIMAR DR. PHIL.
分类号
B06B1/06
主分类号
B06B1/06
代理机构
代理人
主权项
地址
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