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发明名称
Perfectionnements apportés aux dispositifs de frein automatique et proportionnel àla charge pour matériel roulant
摘要
申请公布号
FR707156(A)
申请公布日期
1931.07.03
申请号
FRD707156
申请日期
1930.12.05
申请人
发明人
LEONARD NESTOR
分类号
B60T8/18
主分类号
B60T8/18
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