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发明名称
DRAINING ARRANGEMENT
摘要
申请公布号
SU821646(A1)
申请公布日期
1981.04.15
申请号
SU19792870351
申请日期
1979.10.17
申请人
ILYUSHIN VIKTOR F,SU
发明人
ILYUSHIN VIKTOR F,SU
分类号
E02B9/06;E21F16/02;(IPC1-7):E02B9/06
主分类号
E02B9/06
代理机构
代理人
主权项
地址
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