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发明名称
摘要
申请公布号
DE3115175(C2)
申请公布日期
1983.01.05
申请号
DE19813115175
申请日期
1981.04.15
申请人
WIRTH MASCHINEN- UND BOHRGERAETE-FABRIK GMBH, 5140 ERKELENZ, DE
发明人
SPEELMANS, RUDOLF, 5140 ERKELENZ, DE
分类号
E21D9/10;(IPC1-7):E21D9/10
主分类号
E21D9/10
代理机构
代理人
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地址
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