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发明名称
HIGH CONDUCTIVITY AND ABRASION RESISTANCE RAIL
摘要
申请公布号
JPH03262801(A)
申请公布日期
1991.11.22
申请号
JP19900061773
申请日期
1990.03.13
申请人
NIPPON STEEL CORP
发明人
UCHINO KOICHI;SUGINO KAZUO
分类号
E01B5/02;B32B7/02
主分类号
E01B5/02
代理机构
代理人
主权项
地址
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