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发明名称
Nouveau profilé et ses applications, en particulier aux cadres de mine
摘要
申请公布号
BE578191(A1)
申请公布日期
1959.10.28
申请号
BE19590578191
申请日期
1959.04.28
申请人
"UNION SIDERURGIQUE DU NORD DE LA FRANCE", PAR ABREVIATION "USINOR"
发明人
分类号
(IPC1-7):E21D
主分类号
(IPC1-7):E21D
代理机构
代理人
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地址
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