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发明名称
DEVICE FOR DETERMINING ROUGHNESS OF ROAD
摘要
申请公布号
RU1783030(C)
申请公布日期
1992.12.23
申请号
SU19914910151
申请日期
1991.02.11
申请人
KUZNETSKIJ NI PK I PO DOBYCHE POLEZNYKH ISKOPAEMYKH OTKRYTYM SPOSOBOM
发明人
MASLOV VIKTOR P,SU
分类号
E01C23/07
主分类号
E01C23/07
代理机构
代理人
主权项
地址
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