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发明名称
FLOOR CUTTER BIT
摘要
申请公布号
GB2069031(B)
申请公布日期
1984.04.18
申请号
GB19810004058
申请日期
1981.02.10
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
分类号
E21C27/32;E21C27/44;E21C35/18;E21C35/183;(IPC1-7):E21C27/32
主分类号
E21C27/32
代理机构
代理人
主权项
地址
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