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发明名称
IMPROVEMENTS IN OR RELATING TO BRIDGING DEVICES
摘要
申请公布号
GB1218435(A)
申请公布日期
1971.01.06
申请号
GB19680007296
申请日期
1968.02.14
申请人
KLOECKNER-HUMBOLDT-DEUTZ A.G.
发明人
分类号
E01D15/127
主分类号
E01D15/127
代理机构
代理人
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