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发明名称
Dispositif pour le changement d'écartement de voie des roues de véhicules roulant sur rails
摘要
申请公布号
FR904895(A)
申请公布日期
1945.11.19
申请号
FRD904895
申请日期
1944.06.06
申请人
BOCHUMER VEREIN FU:R GUSSSTAHLFABRIKATION AKTIENGESELLSCHAFT
发明人
分类号
B61F7/00
主分类号
B61F7/00
代理机构
代理人
主权项
地址
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