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发明名称
Perfectionnements aux portiques roulants pour chargement et déchargement de rails
摘要
申请公布号
FR1043372(A)
申请公布日期
1953.11.09
申请号
FRD1043372
申请日期
1951.09.29
申请人
SOCIETE DUMEZ
发明人
分类号
E01B29/16
主分类号
E01B29/16
代理机构
代理人
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