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发明名称
Thread protector
摘要
申请公布号
CZ20004340(A3)
申请公布日期
2001.07.11
申请号
CZ20000004340
申请日期
1999.05.20
申请人
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
发明人
RICHARDS DARRELL R.;RUSH COLIN;THORNTON WILLIAM;KING HENRY CAMPBELL;GRBIC VINCENT DANKO;VON ROSENBERG EDGAR L.
分类号
F16L57/00;F16L58/10;(IPC1-7):F16L57/00
主分类号
F16L57/00
代理机构
代理人
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