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发明名称
CYLINDRICAL ACOUSTIC WAVE TRANSDUCER FOR UNDERWATER ACOUSTIC COMMUNICATION INSIDE PIPE
摘要
申请公布号
JPH0851404(A)
申请公布日期
1996.02.20
申请号
JP19940208089
申请日期
1994.08.09
申请人
MITSUBISHI HEAVY IND LTD
发明人
NAGAKURA HIROSHI
分类号
G01H11/08;H04B11/00;(IPC1-7):H04B11/00
主分类号
G01H11/08
代理机构
代理人
主权项
地址
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