CA538118A - Carotte de sondage - Google Patents

Carotte de sondage

Info

Publication number
CA538118A
CA538118A CA538118DA CA538118A CA 538118 A CA538118 A CA 538118A CA 538118D A CA538118D A CA 538118DA CA 538118 A CA538118 A CA 538118A
Authority
CA
Canada
Prior art keywords
core bit
bit
core
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
Other languages
English (en)
Inventor
F. Davis Frank
G. Richmond Stewart
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.)
EJ Longyear Co
Original Assignee
EJ Longyear Co
Publication date
Application granted granted Critical
Publication of CA538118A publication Critical patent/CA538118A/fr
Expired legal-status Critical Current

Links

CA538118D Carotte de sondage Expired CA538118A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA538118T

Publications (1)

Publication Number Publication Date
CA538118A true CA538118A (fr) 1957-03-12

Family

ID=35692753

Family Applications (1)

Application Number Title Priority Date Filing Date
CA538118D Expired CA538118A (fr) Carotte de sondage

Country Status (1)

Country Link
CA (1) CA538118A (fr)

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