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发明名称
MEASUREMENT OF ROAD ROUGHNESS
摘要
申请公布号
GB9024331(D0)
申请公布日期
1991.01.23
申请号
GB19900024331
申请日期
1990.11.08
申请人
VEIDIREKTORATET, VEGLABORATORIET
发明人
分类号
E01C23/01;G01C7/02;G01C7/04;G01N29/00
主分类号
E01C23/01
代理机构
代理人
主权项
地址
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