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经营范围
发明名称
ACTIVE SONAR SYSTEM
摘要
申请公布号
JPH06273519(A)
申请公布日期
1994.09.30
申请号
JP19930059812
申请日期
1993.03.19
申请人
NEC ENG LTD
发明人
TANNO MASAYUKI
分类号
G01S7/62;G01S15/66;(IPC1-7):G01S7/62
主分类号
G01S7/62
代理机构
代理人
主权项
地址
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