发明名称 Silskjerm til anvendelse i en vibrasjonssikt
摘要 A screen assembly has been invented which has a base, at least one layer of screening material on the base, and at least one ramp formed in the at least one layer of screening material.
申请公布号 NO20010775(A) 申请公布日期 2001.04.06
申请号 NO20010000775 申请日期 2001.02.16
申请人 TUBOSCOPE I/P INC 发明人 LARGENT, DAVID WAYNE;SEYFFERT, KENNETH WAYNE;ADAMS, THOMAS COLE;SCHULTE, DAVID LEE;MCCLUNG, GUY LAMONT
分类号 B01D29/01;B01D29/07;B01D33/00;B01D33/01;B01D33/03;B07B1/46;B07B1/48;E21B21/06 主分类号 B01D29/01
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