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发明名称
Dispositif pour la mesure et l'enregistrement continu de l'écartement des voies ferrées
摘要
申请公布号
FR1080734(A)
申请公布日期
1954.12.13
申请号
FRD1080734
申请日期
1953.04.22
申请人
SOCIETE NATIONALE DES CHEMINS DE FER FRANCAIS
发明人
ROUSSE ROBERT
分类号
E01B35/04
主分类号
E01B35/04
代理机构
代理人
主权项
地址
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