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发明名称
Strassenknoten-Bauwerk
摘要
申请公布号
CH493699(A)
申请公布日期
1970.07.15
申请号
CH19690000940
申请日期
1969.01.17
申请人
WILD,ERICH
发明人
WILD,ERICH
分类号
E01C1/04;(IPC1-7):E01C1/04
主分类号
E01C1/04
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