CA643580A - Electromagnetic earth surveying apparatus - Google Patents

Electromagnetic earth surveying apparatus

Info

Publication number
CA643580A
CA643580A CA643580A CA643580DA CA643580A CA 643580 A CA643580 A CA 643580A CA 643580 A CA643580 A CA 643580A CA 643580D A CA643580D A CA 643580DA CA 643580 A CA643580 A CA 643580A
Authority
CA
Canada
Prior art keywords
surveying apparatus
electromagnetic earth
earth surveying
electromagnetic
surveying
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
CA643580A
Inventor
H. Fay Charles
T. Hungerford Ernest
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.)
Shell USA Inc
Original Assignee
Charles H Fay
Shell Oil Co
Publication date
Application granted granted Critical
Publication of CA643580A publication Critical patent/CA643580A/en
Expired legal-status Critical Current

Links

CA643580A Electromagnetic earth surveying apparatus Expired CA643580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA643580T

Publications (1)

Publication Number Publication Date
CA643580A true CA643580A (en) 1962-06-26

Family

ID=35922110

Family Applications (1)

Application Number Title Priority Date Filing Date
CA643580A Expired CA643580A (en) Electromagnetic earth surveying apparatus

Country Status (1)

Country Link
CA (1) CA643580A (en)

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