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发明名称
Nachgiebiger Streckenausbau
摘要
申请公布号
DE927145(C)
申请公布日期
1955.05.02
申请号
DE1951M010781
申请日期
1951.08.28
申请人
F. W. MOLL SOEHNE
发明人
分类号
E21D11/18;E21D15/30
主分类号
E21D11/18
代理机构
代理人
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