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发明名称
FREITRAGENDE GESCHLOSSENE EINGESPANNTE TREPPE.
摘要
申请公布号
DE1947670(U)
申请公布日期
1966.10.13
申请号
DE196600K4151U
申请日期
1966.04.06
申请人
WALTER KROB K.G.
发明人
分类号
主分类号
代理机构
代理人
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