CA215462A - Multiple drill head - Google Patents

Multiple drill head

Info

Publication number
CA215462A
CA215462A CA215462A CA215462DA CA215462A CA 215462 A CA215462 A CA 215462A CA 215462 A CA215462 A CA 215462A CA 215462D A CA215462D A CA 215462DA CA 215462 A CA215462 A CA 215462A
Authority
CA
Canada
Prior art keywords
drill head
multiple drill
head
drill
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
CA215462A
Other languages
French (fr)
Inventor
Strickland Herbert
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 CA215462A publication Critical patent/CA215462A/en
Expired legal-status Critical Current

Links

CA215462A Multiple drill head Expired CA215462A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA215462T

Publications (1)

Publication Number Publication Date
CA215462A true CA215462A (en) 1922-01-31

Family

ID=35109906

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215462A Expired CA215462A (en) Multiple drill head

Country Status (1)

Country Link
CA (1) CA215462A (en)

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