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发明名称
NAGEL, INSBESONDERE ZUR BEFESTIGUNG VON STEGLEITUNGEN U. DGL.
摘要
申请公布号
DE1639842(U)
申请公布日期
1952.06.19
申请号
DE195100B6163U
申请日期
1951.08.06
申请人
FR. BETTERMANN, ELEKTROTECHN. FABRIK
发明人
分类号
主分类号
代理机构
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