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发明名称
Befestigung der Verschlagbretter, insbesondere fuer Bergeversatz
摘要
申请公布号
DE719786(C)
申请公布日期
1942.04.16
申请号
DE1941G103528D
申请日期
1941.05.18
申请人
GUTEHOFFNUNGSHUETTE OBERHAUSEN AG.
发明人
MATHUIS HEINRICH
分类号
E21F15/02
主分类号
E21F15/02
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代理人
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