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发明名称
DRILL STEEL IDLER GUIDE
摘要
申请公布号
CA963889(A)
申请公布日期
1975.03.04
申请号
CA19740196702
申请日期
1974.04.03
申请人
BRALORNE RESOURCES LIMITED
发明人
MCLEAN, DONALD F.
分类号
B23B;E02C;(IPC1-7):21C9/00
主分类号
B23B
代理机构
代理人
主权项
地址
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