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发明名称
Ausbau für Grubenstrecken
摘要
申请公布号
DE4002331(C2)
申请公布日期
1993.09.30
申请号
DE19904002331
申请日期
1990.01.26
申请人
NEUERO STAHLBAU GMBH & CO, 49824 EMLICHHEIM, DE
发明人
SONNTAG, WERNER, 4750 UNNA, DE;SELL, SIEGFRIED, 4354 DATTELN, DE;NIEBUHR, HERBERT, 4620 CASTROP-RAUXEL, DE
分类号
E21D11/15;E21F3/00;(IPC1-7):E21F3/00;E21D11/00
主分类号
E21D11/15
代理机构
代理人
主权项
地址
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