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发明名称
PIEZOELECTRIC TRANSDUCER FOR RECEPTION OF SIGNALS OF ACOUSTIC EMISSION
摘要
申请公布号
SU1509723(A2)
申请公布日期
1989.09.23
申请号
SU19864124581
申请日期
1986.09.29
申请人
VNII GORNOJ GEOMEKHANIKI MARK
发明人
STOROZHENKO ALEKSANDR G,SU
分类号
H04R17/00;G01N29/04;G01N29/14
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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