DEVICE FOR TESTING OF ROAD SURFACE DURABILITY,申请号PL19770203287-传众专利搜索

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发明名称	DEVICE FOR TESTING OF ROAD SURFACE DURABILITY
摘要
申请公布号	PL116202(B1)	申请公布日期	1981.05.30
申请号	PL19770203287	申请日期	1977.12.22
申请人		发明人
分类号	E01C23/01;G01N;G01N3/56;(IPC1-7):G01N3/56	主分类号	E01C23/01
代理机构		代理人
主权项
地址

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