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经营范围
发明名称
DEVICE FOR REDUCING NOISE
摘要
申请公布号
SU1140149(A1)
申请公布日期
1985.02.15
申请号
SU19833675171
申请日期
1983.12.21
申请人
BIRENBERG LEONID YA,SU;BOGATYREV ALEKSEJ S
发明人
BIRENBERG LEONID YA,SU;BOGATYREV ALEKSEJ S,SU
分类号
G11B3/00;(IPC1-7):G11B3/00
主分类号
G11B3/00
代理机构
代理人
主权项
地址
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