CA477976A - Protractors - Google Patents

Protractors

Info

Publication number
CA477976A
CA477976A CA477976A CA477976DA CA477976A CA 477976 A CA477976 A CA 477976A CA 477976 A CA477976 A CA 477976A CA 477976D A CA477976D A CA 477976DA CA 477976 A CA477976 A CA 477976A
Authority
CA
Canada
Prior art keywords
protractors
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
CA477976A
Other languages
French (fr)
Inventor
Edwin Wynter Arthur
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 CA477976A publication Critical patent/CA477976A/en
Expired legal-status Critical Current

Links

CA477976A Protractors Expired CA477976A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA477976T

Publications (1)

Publication Number Publication Date
CA477976A true CA477976A (en) 1951-10-23

Family

ID=35617626

Family Applications (1)

Application Number Title Priority Date Filing Date
CA477976A Expired CA477976A (en) Protractors

Country Status (1)

Country Link
CA (1) CA477976A (en)

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