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发明名称
EQUIPMENT FOR SIMULTANEOUS DRILLING OF SEVERAL INLET CHANNELS AND/OR RISERS
摘要
申请公布号
CS251911(B1)
申请公布日期
1987.08.13
申请号
CS19820001051
申请日期
1982.02.16
申请人
ENDE,EBERHARD,DD;SCHNEIDER,WOLFGANG,DD
发明人
ENDE,EBERHARD,DD;SCHNEIDER,WOLFGANG,DD
分类号
B22C23/00;B22C9/08;B22C13/00;B23B39/00;(IPC1-7):B22C23/00
主分类号
B22C23/00
代理机构
代理人
主权项
地址
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