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发明名称
ULTRASCHALLWANDLERANORDNUNG
摘要
申请公布号
DE2929541(A1)
申请公布日期
1981.02.05
申请号
DE19792929541
申请日期
1979.07.20
申请人
SIEMENS AG
发明人
SACHS,BERTRAM;DIEPERS,HEINRICH,DIPL.-PHYS.DR.
分类号
H04R17/00;B06B1/06;G01N29/24;(IPC1-7):H04R1/20
主分类号
H04R17/00
代理机构
代理人
主权项
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