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经营范围
发明名称
SIMULATED UNDERWATER ECHO SIGNAL GENERATOR
摘要
申请公布号
JPH01305385(A)
申请公布日期
1989.12.08
申请号
JP19880137754
申请日期
1988.06.03
申请人
NEC CORP
发明人
SUNAHARA CHIYUUTA
分类号
G01S7/52
主分类号
G01S7/52
代理机构
代理人
主权项
地址
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