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发明名称
PIPE LAYER
摘要
申请公布号
SU892098(A1)
申请公布日期
1981.12.23
申请号
SU19782680194
申请日期
1978.10.26
申请人
VNII PO STROITELSTVU MAGISTRALNYKH TRUBOPROVODOV
发明人
ZINEVICH ALEKSEJ M,SU;LIFSHITS VIKTOR S,SU;SATTAROV TIMUR KH,SU
分类号
F16L1/00;(IPC1-7):F16L1/00
主分类号
F16L1/00
代理机构
代理人
主权项
地址
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