Reverse flow tubing valve
作者： Granville S Knox
DOI:
关键词: Needle valve 、 Biomedical engineering 、 Flow (mathematics) 、 Materials science
摘要:
lens.org 参考文章(3)
Cicero C Brown, Ernest L Potts, Method of and apparatus for lowering pipe within a well bore ,(1949)
James W Hodges, Means for reducing liquid level in well tubing ,(1958)
Gilbert H Tausch, Apparatus for flowing fluid material in a well ,(1954)