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发明名称
PIEZOELECTRIC ULTRASONIC CONVERTER
摘要
申请公布号
SU1714490(A2)
申请公布日期
1992.02.23
申请号
SU19874316098
申请日期
1987.07.07
申请人
PROIZV OB "VOROSHILOVGRADSKIJ TEPLOVOZOSTROITELNYJ ZAVOD IM.OKTYABRSKOJ REVOLYUTSII"
发明人
VOLKOV ANATOLIJ M,SU
分类号
H04R17/00;G01N29/04
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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