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发明名称
VORRICHTUNG ZUR ABSICHERUNG VON SPRENGSTELLEN.
摘要
申请公布号
DE1762314(U)
申请公布日期
1958.02.27
申请号
DE195700P2514U
申请日期
1957.12.05
申请人
HERMANN PFEIFER
发明人
HERMANN PFEIFER
分类号
主分类号
代理机构
代理人
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