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发明名称
Vorrichtung zum Verlegen von Strebfoerderern bzw. Leitschienen fuer Gewinnungsmaschinen
摘要
申请公布号
DE916642(C)
申请公布日期
1954.08.16
申请号
DE1950M007468
申请日期
1950.11.07
申请人
GERHARD WERNER;KARL IDEL
发明人
分类号
E21F13/08
主分类号
E21F13/08
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代理人
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