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发明名称
ACOUSTIC DEVICE
摘要
申请公布号
SU822317(A1)
申请公布日期
1981.04.15
申请号
SU19792768587
申请日期
1979.05.11
申请人
MO ENERGETICHESKIJ INSTITUT
发明人
PUGACHEV YAKOV N,SU
分类号
H03H9/00;(IPC1-7):H03H9/00
主分类号
H03H9/00
代理机构
代理人
主权项
地址
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