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发明名称
EISER NER GRUBENSTEMPEL.
摘要
申请公布号
DE1620821(U)
申请公布日期
1951.03.08
申请号
DE1948D003834U
申请日期
1948.10.01
申请人
FRIED. KRUPP STAHLBAU RHEINHAUSEN
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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