CA214833A - Composite drill - Google Patents

Composite drill

Info

Publication number
CA214833A
CA214833A CA214833A CA214833DA CA214833A CA 214833 A CA214833 A CA 214833A CA 214833 A CA214833 A CA 214833A CA 214833D A CA214833D A CA 214833DA CA 214833 A CA214833 A CA 214833A
Authority
CA
Canada
Prior art keywords
composite drill
drill
composite
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
CA214833A
Other languages
French (fr)
Inventor
P. Kellogg Daniel
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 CA214833A publication Critical patent/CA214833A/en
Expired legal-status Critical Current

Links

CA214833A Composite drill Expired CA214833A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA214833T

Publications (1)

Publication Number Publication Date
CA214833A true CA214833A (en) 1921-12-27

Family

ID=35109277

Family Applications (1)

Application Number Title Priority Date Filing Date
CA214833A Expired CA214833A (en) Composite drill

Country Status (1)

Country Link
CA (1) CA214833A (en)

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