ES144438Y - Dispositivo para trazar rectas paralelas y circunferencias concentricas. - Google Patents
Dispositivo para trazar rectas paralelas y circunferencias concentricas.Info
- Publication number
- ES144438Y ES144438Y ES1968144438U ES144438U ES144438Y ES 144438 Y ES144438 Y ES 144438Y ES 1968144438 U ES1968144438 U ES 1968144438U ES 144438 U ES144438 U ES 144438U ES 144438 Y ES144438 Y ES 144438Y
- Authority
- ES
- Spain
- Prior art keywords
- parallel lines
- concentric circumferences
- drawing parallel
- circumferences
- concentric
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES1968144438U ES144438Y (es) | 1968-12-12 | 1968-12-12 | Dispositivo para trazar rectas paralelas y circunferencias concentricas. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES1968144438U ES144438Y (es) | 1968-12-12 | 1968-12-12 | Dispositivo para trazar rectas paralelas y circunferencias concentricas. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES144438U ES144438U (es) | 1969-04-16 |
ES144438Y true ES144438Y (es) | 1969-12-01 |
Family
ID=8326653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1968144438U Expired ES144438Y (es) | 1968-12-12 | 1968-12-12 | Dispositivo para trazar rectas paralelas y circunferencias concentricas. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES144438Y (es) |
-
1968
- 1968-12-12 ES ES1968144438U patent/ES144438Y/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES144438U (es) | 1969-04-16 |
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