CA454552A - Protractor ruler - Google Patents
Protractor rulerInfo
- Publication number
- CA454552A CA454552A CA454552A CA454552DA CA454552A CA 454552 A CA454552 A CA 454552A CA 454552 A CA454552 A CA 454552A CA 454552D A CA454552D A CA 454552DA CA 454552 A CA454552 A CA 454552A
- Authority
- CA
- Canada
- Prior art keywords
- protractor
- ruler
- protractor ruler
- 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
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA454552T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA454552A true CA454552A (en) | 1949-02-15 |
Family
ID=35572288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA454552A Expired CA454552A (en) | Protractor ruler |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA454552A (en) |
-
0
- CA CA454552A patent/CA454552A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA454552A (en) | Protractor ruler | |
CA456164A (en) | Microtome | |
CA460668A (en) | Trestle | |
CA450066A (en) | Ruler | |
CA459608A (en) | Pencil | |
CA459238A (en) | Hawksaw blade | |
CA459665A (en) | Writing instrument | |
CA459666A (en) | Writing instrument | |
CA461230A (en) | Flotation reagent | |
CA455265A (en) | Tree-marker | |
CA458626A (en) | Pulpstone | |
CA457439A (en) | Game-piece | |
CA454475A (en) | Piperazino-piperazine | |
CA451053A (en) | Ruler construction | |
AU142115B2 (en) | Improved draughting straightedge | |
CA456509A (en) | Pencil sharpener | |
CA455250A (en) | Pencil sharpener | |
CA454718A (en) | Pencil sharpener | |
AU142598B2 (en) | Mechanical pencil | |
CA456087A (en) | Mechanical pencil | |
CA453773A (en) | Mechanical pencil | |
CA453772A (en) | Mechanical pencil | |
CA453079A (en) | Slant bottom ruler | |
AU2141248A (en) | Improved draughting straightedge | |
CA460061A (en) | Plane |