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发明名称
HARDFACING COMPOSITIONS AND GAGE HARDFACING ON ROLLING CUTTER ROCK BITS
摘要
申请公布号
CA898001(A)
申请公布日期
1972.04.18
申请号
CAD898001
申请日期
申请人
HUGHES TOOL COMPANY
发明人
ANDERSON D. WHITE;ALLEN E. WISLER
分类号
主分类号
代理机构
代理人
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