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经营范围
发明名称
Gesteinsbohrmeissel mit Matrixersatzmaterial.
摘要
申请公布号
DE3884548(T2)
申请公布日期
1994.04.28
申请号
DE19883884548T
申请日期
1988.10.12
申请人
EASTMAN TELECO CO., HOUSTON, TEX., US
发明人
TIBBITTS, GORDON A., SALT LAKE CITY UTAH, 84117, US;HORTON, RALPH M., MURRAY UTAH 84123, US;LOVATO, LORENZO G., SALT LAKE CITY UTAH, 84116, US
分类号
B22F7/06;E21B10/46;(IPC1-7):E21B10/46
主分类号
B22F7/06
代理机构
代理人
主权项
地址
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