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发明名称
DEVICE FOR INSTALLATION OF CEMENT BRIDGES
摘要
申请公布号
RU1776294(C)
申请公布日期
1992.11.15
申请号
SU19904812765
申请日期
1990.04.12
申请人
SEVERO-KAVKAZSKIJ GNI PI NEFTYANOJ PROMYSHLENNOSTI
发明人
SHLYAKHOVOJ SERGEJ D,SU;IVANSHIN OLEG L,SU;BELCHUK GENNADIJ N,SU
分类号
E21B33/14;E21B33/134
主分类号
E21B33/14
代理机构
代理人
主权项
地址
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