ULTRASONIC TRANSDUCER FOR HIGH TRANSDUCTION IN GASES AND METHOD FOR NON-CONTACT ULTRASOUND TRANSMISSION INTO SOLID MATERIALS,申请号EP19980931311-传众专利搜索

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发明名称	ULTRASONIC TRANSDUCER FOR HIGH TRANSDUCTION IN GASES AND METHOD FOR NON-CONTACT ULTRASOUND TRANSMISSION INTO SOLID MATERIALS
摘要
申请公布号	EP1005628(A4)	申请公布日期	2005.01.05
申请号	EP19980931311	申请日期	1998.06.17
申请人	BHARDWAJ, MAHESH C.	发明人	BHARDWAJ, MAHESH C.
分类号	H04R17/00;G10K11/02;(IPC1-7):G01D21/00	主分类号	H04R17/00
代理机构		代理人
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