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经营范围
发明名称
PIEZOELECTRIC TRANSDUCER
摘要
申请公布号
SU849554(A1)
申请公布日期
1981.07.23
申请号
SU19772534820
申请日期
1977.10.12
申请人
ARLEEVSKAYA NATALYA YA,SU;AUGERT ARNOLD V,SU;PLETNEV DMITRIJ V,SU
发明人
ARLEEVSKAYA NATALYA YA,SU;AUGERT ARNOLD V,SU;PLETNEV DMITRIJ V,SU
分类号
H04R17/00;(IPC1-7):H04R17/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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