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发明名称
ABSPERRHAHN.
摘要
申请公布号
DE1668840(U)
申请公布日期
1953.12.17
申请号
DE195100G3254U
申请日期
1951.06.28
申请人
GEWERKSCHAFT ELWERATH
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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