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发明名称
PERFECTIONNEMENTS A LA FABRICATION PAR MOULAGE DE TRAVERSES DE CHEMIN DE FER EN BETON
摘要
申请公布号
BE869956(A1)
申请公布日期
1978.12.18
申请号
BE19782057230
申请日期
1978.08.25
申请人
B.M. COSTAMAGNA ET CIE
发明人
分类号
B28B23/00;E01B3/28;E01B9/30;(IPC1-7):E01B/
主分类号
B28B23/00
代理机构
代理人
主权项
地址
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