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发明名称
PERFECTIONNEMENT AUX DISPOSITIFS POUR LA FIXATION ET L'ISOLATION DE RAILS DE CHEMIN DE FER
摘要
申请公布号
PT66406(A)
申请公布日期
1977.05.01
申请号
PT19770066406
申请日期
1977.04.06
申请人
SUPROTEC SA
发明人
分类号
E01B9/28;E01B9/30;H01B17/56;(IPC1-7):E01B9/28
主分类号
E01B9/28
代理机构
代理人
主权项
地址
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