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发明名称
METHOD OF BREAKING FREE-STANDING ROCK BOULDERS
摘要
申请公布号
CA1024341(A)
申请公布日期
1978.01.17
申请号
CA19750241426
申请日期
1975.12.10
申请人
PHYSICS INTERNATIONAL COMPANY
发明人
GODFREY, CHARLES S.;WATSON, JOHN D.
分类号
主分类号
代理机构
代理人
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