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发明名称
WERKWIJZE EN INRICHTING VOOR HET INSTALLEREN VAN EEN LEIDING BIJ EEN BUITENGAATSE INRICHTING.
摘要
申请公布号
NL164378(B)
申请公布日期
1980.07.15
申请号
NL19700001860
申请日期
1970.02.10
申请人
ESSO PRODUCTION RESEARCH COMPANY, HOUSTON, TEXAS, VER. ST. V. AM.
发明人
分类号
E21B43/01;F16L1/15;(IPC1-7):F16L1/00
主分类号
E21B43/01
代理机构
代理人
主权项
地址
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