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发明名称
Perfectionnement à la fixation des rails sur les traverses des voies ferrées
摘要
申请公布号
FR699688(A)
申请公布日期
1931.02.18
申请号
FRD699688
申请日期
1930.07.29
申请人
SOCIETE D'ETUDES MECANIQUES ET D'ORGANISATION INDUSTRIELLE
发明人
分类号
E01B9/28
主分类号
E01B9/28
代理机构
代理人
主权项
地址
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