CA670552A - Hole detecting device - Google Patents

Hole detecting device

Info

Publication number
CA670552A
CA670552A CA670552A CA670552DA CA670552A CA 670552 A CA670552 A CA 670552A CA 670552 A CA670552 A CA 670552A CA 670552D A CA670552D A CA 670552DA CA 670552 A CA670552 A CA 670552A
Authority
CA
Canada
Prior art keywords
detecting device
hole detecting
hole
detecting
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
CA670552A
Inventor
John A. Hart
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.)
EB Eddy Co
Original Assignee
EB Eddy Co
Publication date
Application granted granted Critical
Publication of CA670552A publication Critical patent/CA670552A/en
Expired legal-status Critical Current

Links

CA670552A Hole detecting device Expired CA670552A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA670552T

Publications (1)

Publication Number Publication Date
CA670552A true CA670552A (en) 1963-09-17

Family

ID=35970904

Family Applications (1)

Application Number Title Priority Date Filing Date
CA670552A Expired CA670552A (en) Hole detecting device

Country Status (1)

Country Link
CA (1) CA670552A (en)

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