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发明名称
Dispositif de nivellement et de ripage des voies ferrées
摘要
申请公布号
FR83743(E)
申请公布日期
1964.10.02
申请号
FR19630937005
申请日期
1963.06.05
申请人
发明人
HAAS PIERRE, RENE;SCHEUCHZER ALFRED
分类号
E01B35/00
主分类号
E01B35/00
代理机构
代理人
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地址
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