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发明名称
Dispositif de jonction de rails de voies ferrées.
摘要
申请公布号
CH140356(A)
申请公布日期
1930.06.15
申请号
CHD140356
申请日期
1929.02.01
申请人
HENRY,CHARLES ALBERT
发明人
ALBERT HENRY,CHARLES
分类号
主分类号
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代理人
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