发明名称 Sampling method and apparatus
摘要 A helical open ended tube is rotated so as to pass an open end successively through two different fluid media. Successive slugs, first one and then the other, of the media are captured, screwed along the length of the tube and retained therein for subsequent analysis.
申请公布号 US4010647(A) 申请公布日期 1977.03.08
申请号 US19750644265 申请日期 1975.12.24
申请人 THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE INTERIOR 发明人 KISSELL, FRED N.;VINSON, ROBERT P.
分类号 G01N1/10;G01N1/14;G01N1/22;(IPC1-7):G01N1/22 主分类号 G01N1/10
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