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发明名称
POUTRE POUR SUBSTITUTION D'AIGUILLAGE ET D'ELEMENTS DE VOIE MONTES EN SITE FERROVIAIRE
摘要
申请公布号
FR2645185(B1)
申请公布日期
1991.07.12
申请号
FR19890004373
申请日期
1989.04.03
申请人
ZANATO DANIEL
发明人
分类号
E01B31/12;E01B33/12;(IPC1-7):E01B29/02;E01B29/06
主分类号
E01B31/12
代理机构
代理人
主权项
地址
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