ACOUSTIC TRANSDUCER FOR STUDIES IN AQUATIC MEDIUM,申请号SU19874320953-传众专利搜索

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发明名称	ACOUSTIC TRANSDUCER FOR STUDIES IN AQUATIC MEDIUM
摘要
申请公布号	SU1543572(A1)	申请公布日期	1990.02.15
申请号	SU19874320953	申请日期	1987.07.22
申请人	NI PI GEOFIZICHESKIKH METODOV RAZVEDKI OKEANA	发明人	LAZAREV VLADIMIR I,SU;BYKOV DANIIL V,SU
分类号	H04R1/44	主分类号	H04R1/44
代理机构		代理人
主权项
地址

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