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发明名称
METHOD OF TRANSMITTING UNDERWATER SIGNAL
摘要
申请公布号
JPS5425762(A)
申请公布日期
1979.02.26
申请号
JP19770090378
申请日期
1977.07.29
申请人
SASAKI RIYOUHEI
发明人
SASAKI RIYOUHEI
分类号
H04B1/04;G01S3/80;G01S3/801;H04B1/02
主分类号
H04B1/04
代理机构
代理人
主权项
地址
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