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发明名称
Perfectionnement d'un aiguillage mobile, type universel, à commande mixte, pour voie aérienne
摘要
申请公布号
FR36713(E)
申请公布日期
1930.08.02
申请号
FRD36713
申请日期
1929.01.15
申请人
ETABLISSEMENTS TOURTELLIER
发明人
分类号
B61L23/00
主分类号
B61L23/00
代理机构
代理人
主权项
地址
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