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发明名称
Im waagerechten Schnitt flach wellenfoermig verlaufende, federnde eiserne Kanaldiele
摘要
申请公布号
DE589909(C)
申请公布日期
1933.12.18
申请号
DENDATE040384D
申请日期
申请人
HOESCH-KOELN NEUESSEN AKT.-GES. FUER BERGBAU;HUETTENBETRIEB
发明人
分类号
E02D5/04
主分类号
E02D5/04
代理机构
代理人
主权项
地址
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