Shaped explosive-charge perforating apparatus

作者: Blanchard Andre

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参考文章(6)
William G Sweetman, Jet type perforating unit ,(1950)
Iver C Wood, Sheath for explosives ,(1945)
Bryck James L Ver, Clyde O Davis, Walter E Lawson, Cable cutting method and device ,(1943)
Muskat Morris, L. Kehl William, W. Parker Floyd, Apparatus for perforating well casings and well walls ,(1945)
Jr Robert L Klotz, Method for shooting oil wells ,(1947)