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发明名称
Pédale électrique pour voies ferrées
摘要
申请公布号
FR689149(A)
申请公布日期
1930.09.02
申请号
FRD689149
申请日期
1930.01.30
申请人
发明人
ROUSSEAU LUDOVIC-EMILE-JOSEPH
分类号
B61L1/04
主分类号
B61L1/04
代理机构
代理人
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地址
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