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发明名称
Changement de voie à plans inclinés se composant d'un châssis coudé présentant des chemins de roulement réunis aux extrémités par des traverses
摘要
申请公布号
FR687190(A)
申请公布日期
1930.08.05
申请号
FRD687190
申请日期
1929.12.24
申请人
发明人
EICHELGRUN MARTIN
分类号
E01B23/06
主分类号
E01B23/06
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