Reverse circulating junk basket
作者： James R Jennings
DOI:
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摘要:
lens.org 参考文章(3)
Ray Jennings James, Robert Donnell, Fishing tool for wells ,(1952)
Abendroth O'farrel, Fluid controlled junk basket ,(1956)
Arthur W Pearson, Junk fishing tool ,(1951)