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CA474851A - Borehole surveying instruments - Google Patents

Borehole surveying instruments

Info

Publication number
CA474851A
CA474851A CA474851A CA474851DA CA474851A CA 474851 A CA474851 A CA 474851A CA 474851 A CA474851 A CA 474851A CA 474851D A CA474851D A CA 474851DA CA 474851 A CA474851 A CA 474851A
Authority
CA
Canada
Prior art keywords
surveying instruments
borehole surveying
borehole
instruments
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
CA474851A
Other languages
French (fr)
Inventor
B. Yates Arthur
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.)
SMITH AND TRAVERS Co
Original Assignee
SMITH AND TRAVERS Co
Publication date
Application granted granted Critical
Publication of CA474851A publication Critical patent/CA474851A/en
Expired legal-status Critical Current

Links

CA474851A Borehole surveying instruments Expired CA474851A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA474851T

Publications (1)

Publication Number Publication Date
CA474851A true CA474851A (en) 1951-06-26

Family

ID=35608833

Family Applications (1)

Application Number Title Priority Date Filing Date
CA474851A Expired CA474851A (en) Borehole surveying instruments

Country Status (1)

Country Link
CA (1) CA474851A (en)

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