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发明名称
DRILL BLOCKS
摘要
申请公布号
PL59694(Y1)
申请公布日期
2003.04.30
申请号
PL19980107999U
申请日期
1998.04.15
申请人
KOPALNIA WEGLA BRUNATNEGO TUROW
发明人
PRZYBYNOWSKI BRONISLAW
分类号
B30B15/04;B30B15/06;(IPC1-7):B30B15/06
主分类号
B30B15/04
代理机构
代理人
主权项
地址
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