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发明名称
CUTTER BIT ASSEMBLY
摘要
申请公布号
GB2100774(B)
申请公布日期
1985.11.27
申请号
GB19820016051
申请日期
1982.06.02
申请人
* GEWERKSCHAFT EISENHUTTE WESTFALIA
发明人
OSWALD * BREUER;BERND * STEINKUHL;GERHARD * MERTEN;NORBERT * HESSE
分类号
E21C35/19;(IPC1-7):E21C35/18
主分类号
E21C35/19
代理机构
代理人
主权项
地址
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