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发明名称
DISPOSITIVO DE CAMBIO DE ANCHO DE VIA PARA VEHICULOS DE FE-RROCARRIL.
摘要
申请公布号
ES348195(A1)
申请公布日期
1969.06.16
申请号
ES19950003481
申请日期
1967.12.12
申请人
INVENTIO A. G.
发明人
分类号
B61F;(IPC1-7):B61F/
主分类号
B61F
代理机构
代理人
主权项
地址
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