CA520964A - Outil a circulation renversee - Google Patents

Outil a circulation renversee

Info

Publication number
CA520964A
CA520964A CA520964A CA520964DA CA520964A CA 520964 A CA520964 A CA 520964A CA 520964 A CA520964 A CA 520964A CA 520964D A CA520964D A CA 520964DA CA 520964 A CA520964 A CA 520964A
Authority
CA
Canada
Prior art keywords
reverse circulation
circulation tool
tool
reverse
circulation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA520964A
Other languages
English (en)
Inventor
G. Eastland Thomas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA520964A publication Critical patent/CA520964A/fr
Expired legal-status Critical Current

Links

CA520964A Outil a circulation renversee Expired CA520964A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA520964T

Publications (1)

Publication Number Publication Date
CA520964A true CA520964A (fr) 1956-01-24

Family

ID=35674187

Family Applications (1)

Application Number Title Priority Date Filing Date
CA520964A Expired CA520964A (fr) Outil a circulation renversee

Country Status (1)

Country Link
CA (1) CA520964A (fr)

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