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发明名称
MIT EINER HAND ZU BETAETIGENDER TUBENVERSCHLUSS.
摘要
申请公布号
DE1624680(U)
申请公布日期
1951.06.21
申请号
DE195100D2477U
申请日期
1951.05.05
申请人
ERNST DOHRING
发明人
ERNST DOHRING
分类号
主分类号
代理机构
代理人
主权项
地址
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