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发明名称
ULTRASONIC PIEZOELECTRIC TRANSDUCER
摘要
申请公布号
SU1677622(A1)
申请公布日期
1991.09.15
申请号
SU19884407849
申请日期
1988.04.11
申请人
N-PROIZV OB "ATOMKOTLOMASH"
发明人
MEDVEDEV ALEKSANDR V,SU
分类号
G01N29/24
主分类号
G01N29/24
代理机构
代理人
主权项
地址
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