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发明名称
Dispositif de manoeuvre pour trappes de trémies pour wagons de chemins de fer et autres applications
摘要
申请公布号
FR39981(E)
申请公布日期
1932.03.21
申请号
FRD39981
申请日期
1930.08.28
申请人
COMPAGNIE FRANCAISE DE MATERIEL DE CHEMINS DE FER
发明人
分类号
B61D7/20;B61D7/30
主分类号
B61D7/20
代理机构
代理人
主权项
地址
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