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发明名称
PIEZOELECTRIC TRANSDUCER
摘要
申请公布号
SU1298646(A1)
申请公布日期
1987.03.23
申请号
SU19853842538
申请日期
1985.01.07
申请人
ALTAJSKIJ POLT I IM.I.I.POLZUNOVA
发明人
VLASOV ALEKSEJ V,SU;TSYMBALIST VASILIJ A,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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