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发明名称
Absperrgeraet fuer baugewerbliche Zwecke
摘要
申请公布号
DE1008341(B)
申请公布日期
1957.05.16
申请号
DE1956G018956
申请日期
1956.02.09
申请人
HEINRICH GELBER
发明人
GELBER HEINRICH
分类号
E01F13/02
主分类号
E01F13/02
代理机构
代理人
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