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发明名称
ROCK BREAKING APPARATUS
摘要
申请公布号
CA1018559(A)
申请公布日期
1977.10.04
申请号
CA19760263434
申请日期
1976.10.15
申请人
CREARE, INCORPORATED
发明人
HAWKES, IVOR
分类号
E21C25/00;(IPC1-7):E21C25/00
主分类号
E21C25/00
代理机构
代理人
主权项
地址
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