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发明名称
DIVIDED BLOCK, PRACTICALY PLASTIC BLOCK FOR RAILWAY CROSS-SLEEPERS
摘要
申请公布号
HU0100903(D0)
申请公布日期
2001.04.28
申请号
HU20010000903
申请日期
2001.02.27
申请人
RACZ ATTILA
发明人
分类号
E01B9/18;(IPC1-7):E01B9/18
主分类号
E01B9/18
代理机构
代理人
主权项
地址
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