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发明名称
Assemblage de joint de rails de chemins de fer
摘要
申请公布号
FR68305(E)
申请公布日期
1958.04.29
申请号
FRD68305
申请日期
1955.09.01
申请人
发明人
STAGER HANS
分类号
E01B11/54
主分类号
E01B11/54
代理机构
代理人
主权项
地址
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