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发明名称
STREBFOERDERER
摘要
申请公布号
DE7022370(U)
申请公布日期
1978.05.24
申请号
DE19700022370U
申请日期
1970.06.15
申请人
THYSSEN INDUSTRIE AG;RUHRKOHLE AG;4300 ESSEN
发明人
分类号
E21F13/08;(IPC1-7):E21F13/08
主分类号
E21F13/08
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代理人
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地址
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