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发明名称
摘要
申请公布号
DE3343649(C2)
申请公布日期
1990.07.12
申请号
DE19833343649
申请日期
1983.12.02
申请人
GEBR. EICKHOFF MASCHINENFABRIK U. EISENGIESSEREI MBH, 4630 BOCHUM, DE
发明人
DINKELBACH, ANTON, 4650 GELSENKIRCHEN, DE
分类号
E21C29/00;H02P7/28
主分类号
E21C29/00
代理机构
代理人
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