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发明名称
NOISE SILENCER
摘要
申请公布号
SU1500299(A1)
申请公布日期
1989.08.15
申请号
SU19854016470
申请日期
1985.10.28
申请人
KRAPIVIN GRIGORIJ,SU
发明人
KRAPIVIN GRIGORIJ I,SU
分类号
主分类号
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代理人
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