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发明名称
DEVICE FOR ACOUSTIC EXPERIMENTS
摘要
申请公布号
RU2084964(C1)
申请公布日期
1997.07.20
申请号
RU19950108197
申请日期
1995.05.19
申请人
MAJER VALERIJ VILGELMOVICH;MAJER ROBERT VALEREVICH;MAMAEVA ELENA SERGEEVNA
发明人
MAJER VALERIJ VILGELMOVICH;MAJER ROBERT VALEREVICH;MAMAEVA ELENA SERGEEVNA
分类号
G09B23/14;(IPC1-7):G09B23/14
主分类号
G09B23/14
代理机构
代理人
主权项
地址
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