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发明名称
Weitgespannte Stahlbeton-Bogenbrücke mit oberhalb der Gewölbekonstruktion angeordneter Fahrbahn
摘要
申请公布号
AT172774(B)
申请公布日期
1952.10.10
申请号
ATD172774
申请日期
1950.05.10
申请人
ED. AST & CO., INGENIEURE
发明人
分类号
主分类号
代理机构
代理人
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