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发明名称
BEARING DETECTOR FOR UNDERWATER SOUND
摘要
申请公布号
JPH0566256(A)
申请公布日期
1993.03.19
申请号
JP19910227691
申请日期
1991.09.09
申请人
NEC CORP
发明人
GOTO KOJI
分类号
G01S3/809;G01S3/803;G01S7/52;G01S7/523;G01S7/526
主分类号
G01S3/809
代理机构
代理人
主权项
地址
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