Side wall coring tool
United States Patent 2324682
Inventors:
Long, Raleigh DE.
Publication Date:
07/20/1943
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Export Citation:
Assignee:
FOHS OIL COMPANY
Primary Class:
Other Classes:
166/117.600, 175/107, 175/82, 175/93, 175/249
International Classes:
E21B49/06; E21B49/00