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发明名称
ABDECKPLATTE FUER DEN UNTERSTEMPEL VON GRUBENSTEMPELN.
摘要
申请公布号
DE1739515(U)
申请公布日期
1957.02.14
申请号
DE195600G4709U
申请日期
1956.12.12
申请人
GUTEHOFFNUNGSHUETTE STERKRADE AKTIENGESELLSCHAFT
发明人
分类号
E21D15/58
主分类号
E21D15/58
代理机构
代理人
主权项
地址
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