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发明名称
Sperre zum Absichern von Flächen
摘要
申请公布号
DE20022687(U1)
申请公布日期
2002.04.11
申请号
DE20002022687U
申请日期
2000.11.16
申请人
SPILLNER, ROBERT
发明人
分类号
E01F13/08;(IPC1-7):E01F13/08
主分类号
E01F13/08
代理机构
代理人
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