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发明名称
Betonplattenverzug fuer den staehlernen Streckenausbau
摘要
申请公布号
DE1143171(B)
申请公布日期
1963.02.07
申请号
DE1955B036880
申请日期
1955.08.16
申请人
BOCHUMER EISENHUETTE HEINTZMANN & CO.
发明人
WEINERT HANS;WILLE ADOLF
分类号
E21D11/05
主分类号
E21D11/05
代理机构
代理人
主权项
地址
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