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发明名称
GELENKIGE ROHRVERBINDUNG.
摘要
申请公布号
DE1712266(U)
申请公布日期
1955.12.01
申请号
DE195100ST668U
申请日期
1951.05.15
申请人
STADTWERKE DUESSELDORF
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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