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发明名称
Dispositif pour la fixation des rails de chemins de fer
摘要
申请公布号
FR808020(A)
申请公布日期
1937.01.27
申请号
FRD808020
申请日期
1936.07.06
申请人
ANCIENS ETABLISSEMENTS HACHETTE ET DRIOUT
发明人
分类号
E01B9/04
主分类号
E01B9/04
代理机构
代理人
主权项
地址
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