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经营范围
发明名称
ELECTROPNEUMATIC LOUDSPEAKER
摘要
申请公布号
SU1436279(A1)
申请公布日期
1988.11.07
申请号
SU19853953487
申请日期
1985.09.09
申请人
VNI PK T I GEOLOGICHESKIKH,×EO´ô³ôÚECKôX ô ×EOXôMôÚECKôX ôH´OPMA|ôOHHÕX CôCTEM
发明人
NOSOV VLADIMIR N,SU
分类号
H04R1/42
主分类号
H04R1/42
代理机构
代理人
主权项
地址
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