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发明名称
CIRCUIT FOR CALIBRATION PIEZOELECTRIC TRANSDUCERS INTENDED FOR RECEIVING ACOUSTIC SIGNALS FROM ELECTRIC DISCHARGES
摘要
申请公布号
PL130090(B2)
申请公布日期
1984.07.31
申请号
PL19820235307
申请日期
1982.03.02
申请人
发明人
分类号
G01R;G01R29/22;G01R35/00;(IPC1-7):G01R35/00
主分类号
G01R
代理机构
代理人
主权项
地址
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