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发明名称
DEVICE FOR LAYING UNDERGROUND PIPELINES WITH BRANCHES
摘要
申请公布号
SU1691643(A1)
申请公布日期
1991.11.15
申请号
SU19894718035
申请日期
1989.07.11
申请人
UFIMSKIJ NEFTYANOJ INSTITUT
发明人
AKHMETOV FAAT SH,SU;GRIGORENKO PETR N,SU;BABIN LEV A,SU;SATTAROVA DINA M,SU
分类号
F16L1/032;F16L1/028
主分类号
F16L1/032
代理机构
代理人
主权项
地址
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