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发明名称
ROADBED PROFILER
摘要
申请公布号
CA2139611(A1)
申请公布日期
1995.07.08
申请号
CA19952139611
申请日期
1995.01.05
申请人
INCO LIMITED
发明人
DESJARDINS, DONALD ALBERT;YOUNG, DONALD DUNCAN;BAIDEN, GREGORY ROBERT
分类号
E01C21/00;E01C23/085;E21F17/00;(IPC1-7):E21D9/10
主分类号
E01C21/00
代理机构
代理人
主权项
地址
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