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发明名称
CUTTER CONFIGURATION FOR A GAGE-TO-SHOULDER TRANSITION AND FACE PATTERN
摘要
申请公布号
PH21081(A)
申请公布日期
1987.07.10
申请号
PH19340000307
申请日期
1984.05.29
申请人
NORTON CHRISTENSEN INC.
发明人
GRAPPENDORF RICHARD H.
分类号
E21B10/46
主分类号
E21B10/46
代理机构
代理人
主权项
地址
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