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发明名称
Verfahren zur Herstellung von Eisenbetonbogenbrücken.
摘要
申请公布号
CH249315(A)
申请公布日期
1947.06.30
申请号
CHD249315
申请日期
1946.03.15
申请人
KRUCK,GUSTAV E.,DR. SC. TECH.
发明人
TECH. KRUCK,GUSTAV E.,DR. SC.
分类号
E01D1/00
主分类号
E01D1/00
代理机构
代理人
主权项
地址
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