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发明名称
MIT EINER HAND ZU BETAETIGEN DER TUBEN-VERSCHLUSS.
摘要
申请公布号
DE1613925(U)
申请公布日期
1950.09.28
申请号
DE195000D0683U
申请日期
1950.03.23
申请人
ERNST DOEHRING
发明人
ERNST DOEHRING
分类号
主分类号
代理机构
代理人
主权项
地址
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