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发明名称
A METHOD OF MANUFACTURING CONCRETE SLEEPER BLOCKS FOR RAILROAD SWITCH-POINTS, AND A MATRIX AND MATRIX ARRAY FOR USE WHEN APPLYING THE METHOD
摘要
申请公布号
EP0725856(A1)
申请公布日期
1996.08.14
申请号
EP19930913755
申请日期
1993.06.16
申请人
ABETONG TEKNIK AB
发明人
JOHANSSON, GUN-BRITT
分类号
B28B7/00;B28B23/00;E01B7/22;(IPC1-7):E01B3/28
主分类号
B28B7/00
代理机构
代理人
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