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发明名称
PROCEDE DE POSE D'UNE VOIE FERREE, NOTAMMENT EN RENOUVELLEMENT, ET MACHINE POUR SA MISE EN OEUVRE
摘要
申请公布号
BE862641(A1)
申请公布日期
1978.05.02
申请号
BE19780184107
申请日期
1978.01.04
申请人
S.A. SECMAFER
发明人
J.-J. BOYER
分类号
E01B27/11;E01B29/05;E01B29/06;(IPC1-7):E01B/
主分类号
E01B27/11
代理机构
代理人
主权项
地址
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