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经营范围
发明名称
METHOD OF ERECTING SUPPORT OF WORKING MOUTH
摘要
申请公布号
SU1571253(A1)
申请公布日期
1990.06.15
申请号
SU19884384205
申请日期
1988.02.25
申请人
TOMSKIJ POLT I IM.S.M.KIROVA
发明人
GROMOV ALEKSANDR D,SU;NIKITIN YURIJ A,SU;GUSISHNYJ VLADIMIR E,SU;ZAGRODSKIJ BORIS P,SU
分类号
E21D11/00
主分类号
E21D11/00
代理机构
代理人
主权项
地址
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