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发明名称
ELECTROACOUSTICAL TRANSDUCER WITH TWO-BEAM DIRECTIONAL PATTERN
摘要
申请公布号
SU1272215(A1)
申请公布日期
1986.11.23
申请号
SU19853861343
申请日期
1985.03.04
申请人
KB SP K BYURO N-PROIZV OBEDINENIYA "NEFTEKHIMAVTOMATIKA"
发明人
FEDOROV VLADIMIR YA,SU;KONONOV VALENTIN A,SU;SUVOROV ALEKSEJ F,SU
分类号
H04R17/00;G01N29/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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