CA825374A - Drill hole indicator - Google Patents

Drill hole indicator

Info

Publication number
CA825374A
CA825374A CA825374A CA825374DA CA825374A CA 825374 A CA825374 A CA 825374A CA 825374 A CA825374 A CA 825374A CA 825374D A CA825374D A CA 825374DA CA 825374 A CA825374 A CA 825374A
Authority
CA
Canada
Prior art keywords
drill hole
hole indicator
indicator
drill
hole
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
CA825374A
Inventor
Mcdonnell George
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 CA825374A publication Critical patent/CA825374A/en
Expired legal-status Critical Current

Links

CA825374A Drill hole indicator Expired CA825374A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA825374T

Publications (1)

Publication Number Publication Date
CA825374A true CA825374A (en) 1969-10-21

Family

ID=36302807

Family Applications (1)

Application Number Title Priority Date Filing Date
CA825374A Expired CA825374A (en) Drill hole indicator

Country Status (1)

Country Link
CA (1) CA825374A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047306A (en) * 1976-06-04 1977-09-13 Hubert Josef Otte Bore hole probe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047306A (en) * 1976-06-04 1977-09-13 Hubert Josef Otte Bore hole probe

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