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发明名称
Ultrasonic Transducer
摘要
申请公布号
CA2185074(A1)
申请公布日期
1997.03.29
申请号
CA19962185074
申请日期
1996.09.09
申请人
ENDRESS + HAUSER GMBH + CO
发明人
ECKERT, MANFRED;FLOEGEL, KARL;SCHWALD, ROLF
分类号
G01F23/296;(IPC1-7):H04R1/02;H04R17/00
主分类号
G01F23/296
代理机构
代理人
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地址
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