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发明名称
Perfectionnements apportés aux dispositifs roulants pour la pose et l'enlèvement de traverses de voies
摘要
申请公布号
FR1547013(A)
申请公布日期
1968.11.22
申请号
FR19670131575
申请日期
1967.12.08
申请人
FRANZ PLASSER BAHNBAUMASCHINEN
发明人
分类号
E01B29/10
主分类号
E01B29/10
代理机构
代理人
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