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发明名称
CLOSURE DEVICE FOR PIPELINE
摘要
申请公布号
SU1528855(A1)
申请公布日期
1989.12.15
申请号
SU19874300471
申请日期
1987.08.24
申请人
UK OTDEL V PROEKTNO-IZYSKATELSKOGO NII "GIDROPROEKT" IM.S.YA.ZHUKA
发明人
LANDAU YURIJ A,SU
分类号
E02B9/06
主分类号
E02B9/06
代理机构
代理人
主权项
地址
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