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发明名称
Verzugsstoff fuer die Abschirmung von Bergeversatzgut
摘要
申请公布号
DE970744(C)
申请公布日期
1958.10.23
申请号
DE1953ST06870
申请日期
1953.08.15
申请人
DRAHTWERK JOSEF ROESLER K.G.
发明人
ROESLER WALTER
分类号
E21F15/04
主分类号
E21F15/04
代理机构
代理人
主权项
地址
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