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发明名称
AGULHA DE VIA FERREA
摘要
申请公布号
PT80268(B)
申请公布日期
1987.05.29
申请号
PT19850080268
申请日期
1985.04.11
申请人
VOEST-ALPINE EISENBAHNSYSTEME GMBH
发明人
分类号
E01B7/06;E01B7/20;(IPC1-7):E01B7/06
主分类号
E01B7/06
代理机构
代理人
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地址
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