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经营范围
发明名称
ROAD STRUCTURE ON LOOSE GROUND
摘要
申请公布号
SU1698340(A1)
申请公布日期
1991.12.15
申请号
SU19894752734
申请日期
1989.10.26
申请人
PROKHORENKOV VIKTOR D,SU;POPOV GRIGORIJ,SU
发明人
PROKHORENKOV VIKTOR D,SU;POPOV GRIGORIJ I,SU
分类号
E01C9/00
主分类号
E01C9/00
代理机构
代理人
主权项
地址
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