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发明名称
ACTIVE SONAR APPARATUS
摘要
申请公布号
JPH03115882(A)
申请公布日期
1991.05.16
申请号
JP19890251773
申请日期
1989.09.29
申请人
NEC CORP
发明人
MORIOKA HIROYUKI
分类号
G01S7/527;G01S7/536
主分类号
G01S7/527
代理机构
代理人
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地址
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