Title:
Method of perforating well casings
United States Patent 2399211
Inventors:
Davis, Clyde O.
Burrows, Lawton A.
Publication Date:
04/30/1946
Export Citation:
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Assignee:
Pont DU.
Primary Class:
175/4.6
Other Classes:
89/1.15
International Classes:
E21B43/117; F42B1/02; F42B3/08; E21B43/11; F42B1/00; F42B3/00
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