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发明名称
Abbaumaschine mit einem Kettenschraemarm und darueber angeordneter umlaufender, mit Kerbscheiben und Picken besetzter Schraemstange
摘要
申请公布号
DE754111(C)
申请公布日期
1953.03.16
申请号
DE1941E055405D
申请日期
1941.10.17
申请人
GEBR. EICKHOFF MASCHINENFABRIK;EISENGIESSEREI
发明人
VORTHMANN FRITZ
分类号
E21C27/02
主分类号
E21C27/02
代理机构
代理人
主权项
地址
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