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发明名称
Dispositif pour modifier la voie des véhicules ferroviaires
摘要
申请公布号
FR867780(A)
申请公布日期
1941.11.27
申请号
FRD867780
申请日期
1940.11.25
申请人
MITTELDEUTSCHE STAHLWERKE AKTIENGESELLSCHAFT
发明人
分类号
B61F7/00
主分类号
B61F7/00
代理机构
代理人
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地址
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