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发明名称
Traverse pour chemin de fer et son procede de fabrication.
摘要
申请公布号
EG19380(A)
申请公布日期
1995.02.28
申请号
EG19920000090
申请日期
1992.02.12
申请人
CUYKY HILDEGARDE JULIANA EUGENIE.
发明人
分类号
E01B3/32;E01B3/36;(IPC1-7):E01B3/36
主分类号
E01B3/32
代理机构
代理人
主权项
地址
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