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经营范围
发明名称
Improved Rail Tie, Tie Plate and Clip
摘要
申请公布号
CA2164115(A1)
申请公布日期
1994.12.08
申请号
CA19942164115
申请日期
1994.06.02
申请人
IGWEMEZIE, JUDE ODIHACHUKWUNMA
发明人
IGWEMEZIE, JUDE ODIHACHUKWUNMA
分类号
E01B9/32;E01B3/16;E01B9/42;E01B9/48
主分类号
E01B9/32
代理机构
代理人
主权项
地址
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