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发明名称
PIEZOELECTRIC ELEMENT FOR ULTRASONIC CONVERTERS
摘要
申请公布号
SU1147980(A1)
申请公布日期
1985.03.30
申请号
SU19833665392
申请日期
1983.10.19
申请人
VNII PO RAZRABOTKE NERAZRUSHAYUSHCHIKH METODOV SREDSTV KONTROLYA KACHESTVA MATERIALOV;NII STROITELNYKH KONSTRUKTSIJ
发明人
AFANASEV MIKHAIL I,SU;VITYUK PETR S,SU;GITIS MIKHAIL B,SU;KOPANSKIJ ALEKSANDR G,SU;SHENKER ARKADIJ A,SU
分类号
H04R17/00;G01N29/04;(IPC1-7):G01N29/04
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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