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发明名称
ULTRASCHALLWELLENVERZOEGERUNGSEINRICHTUNG
摘要
申请公布号
DE2061641(B2)
申请公布日期
1972.07.13
申请号
DE19702061641
申请日期
1970.12.07
申请人
发明人
分类号
H03H9/36;(IPC1-7):H03H9/30
主分类号
H03H9/36
代理机构
代理人
主权项
地址
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