CA836812A - Drafting protractor - Google Patents

Drafting protractor

Info

Publication number
CA836812A
CA836812A CA836812A CA836812DA CA836812A CA 836812 A CA836812 A CA 836812A CA 836812 A CA836812 A CA 836812A CA 836812D A CA836812D A CA 836812DA CA 836812 A CA836812 A CA 836812A
Authority
CA
Canada
Prior art keywords
protractor
drafting
drafting protractor
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
CA836812A
Inventor
R. Zarling Harvey
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 CA836812A publication Critical patent/CA836812A/en
Expired legal-status Critical Current

Links

CA836812A Drafting protractor Expired CA836812A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA836812T

Publications (1)

Publication Number Publication Date
CA836812A true CA836812A (en) 1970-03-17

Family

ID=36321008

Family Applications (1)

Application Number Title Priority Date Filing Date
CA836812A Expired CA836812A (en) Drafting protractor

Country Status (1)

Country Link
CA (1) CA836812A (en)

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