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发明名称
Appareil enregistreur de signaux pour chemins de fer
摘要
申请公布号
FR936586(A)
申请公布日期
1948.07.23
申请号
FRD936586
申请日期
1946.11.22
申请人
ATELIERS VAUCANSON
发明人
分类号
B61L3/00
主分类号
B61L3/00
代理机构
代理人
主权项
地址
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