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发明名称	ACTIVE SONAR APPARATUS
摘要
申请公布号	JPH0424579(A)	申请公布日期	1992.01.28
申请号	JP19900129820	申请日期	1990.05.18
申请人	NEC CORP	发明人	OTAKA TOSHIAKI
分类号	G01S7/56;G01S7/62	主分类号	G01S7/56
代理机构		代理人
主权项
地址

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