CA704584A - Ball drilling apparatus - Google Patents

Ball drilling apparatus

Info

Publication number
CA704584A
CA704584A CA704584A CA704584DA CA704584A CA 704584 A CA704584 A CA 704584A CA 704584 A CA704584 A CA 704584A CA 704584D A CA704584D A CA 704584DA CA 704584 A CA704584 A CA 704584A
Authority
CA
Canada
Prior art keywords
drilling apparatus
ball drilling
ball
drilling
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
CA704584A
Inventor
B. Scott David
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 CA704584A publication Critical patent/CA704584A/en
Expired legal-status Critical Current

Links

CA704584A Ball drilling apparatus Expired CA704584A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA704584T

Publications (1)

Publication Number Publication Date
CA704584A true CA704584A (en) 1965-03-02

Family

ID=36018258

Family Applications (1)

Application Number Title Priority Date Filing Date
CA704584A Expired CA704584A (en) Ball drilling apparatus

Country Status (1)

Country Link
CA (1) CA704584A (en)

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