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发明名称
HYDROPHONE CALIBRATION DEVICE
摘要
申请公布号
SU651504(A1)
申请公布日期
1979.03.05
申请号
SU19762400234
申请日期
1976.08.19
申请人
DRAPEZO BORIS N,SU
发明人
DRAPEZO BORIS N,SU
分类号
H04R29/00;(IPC1-7):H04R29/00
主分类号
H04R29/00
代理机构
代理人
主权项
地址
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