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发明名称
Ausbaurahmen fuer den wandernden Grubenausbau
摘要
申请公布号
DE1019986(B)
申请公布日期
1957.11.28
申请号
DE1952M014141
申请日期
1952.05.20
申请人
MASCHINENFABRIK EWALD WIEMANN
发明人
WIEMANN EWALD WILHELM
分类号
E21D15/58;E21D23/00
主分类号
E21D15/58
代理机构
代理人
主权项
地址
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