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经营范围
发明名称
EISENBAHNSCHWELLE AUS SPANNBETON
摘要
申请公布号
DE3832504(A1)
申请公布日期
1990.04.05
申请号
DE19883832504
申请日期
1988.09.24
申请人
DYCKERHOFF & WIDMANN AG, 8000 MUENCHEN, DE
发明人
VERZICHT DES ERFINDERS AUF NENNUNG
分类号
E01B3/34
主分类号
E01B3/34
代理机构
代理人
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地址
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