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发明名称
PIPELINE CROSSING
摘要
申请公布号
SU1288426(A1)
申请公布日期
1987.02.07
申请号
SU19853906075
申请日期
1985.06.07
申请人
GROZNENSKIJ NEFTYANOJ I IM.AKAD.M.D.MILLIONSHCHIKOVA
发明人
LUNEV LEV A,SU;SPIRIDONOV VIKTOR V,SU
分类号
F16L1/024;F16L1/00
主分类号
F16L1/024
代理机构
代理人
主权项
地址
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