FR997909A - Instrument de traçage formant règle, équerre et rapporteur - Google Patents
Instrument de traçage formant règle, équerre et rapporteurInfo
- Publication number
- FR997909A FR997909A FR997909DA FR997909A FR 997909 A FR997909 A FR 997909A FR 997909D A FR997909D A FR 997909DA FR 997909 A FR997909 A FR 997909A
- Authority
- FR
- France
- Prior art keywords
- protractor
- ruler
- set square
- tracing instrument
- instrument forming
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L7/00—Straightedges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR997909T | 1945-09-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR997909A true FR997909A (fr) | 1952-01-11 |
Family
ID=9559005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR997909D Expired FR997909A (fr) | 1945-09-03 | 1945-09-03 | Instrument de traçage formant règle, équerre et rapporteur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR997909A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4734992A (en) * | 1985-11-20 | 1988-04-05 | Scott Alastair G | Drawing instrument |
-
1945
- 1945-09-03 FR FR997909D patent/FR997909A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4734992A (en) * | 1985-11-20 | 1988-04-05 | Scott Alastair G | Drawing instrument |
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