FR819563A - Rapporteur trigonométrique - Google Patents
Rapporteur trigonométriqueInfo
- Publication number
- FR819563A FR819563A FR819563DA FR819563A FR 819563 A FR819563 A FR 819563A FR 819563D A FR819563D A FR 819563DA FR 819563 A FR819563 A FR 819563A
- Authority
- FR
- France
- Prior art keywords
- protractor
- trigonometric
- trigonometric 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
-
- 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)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR819563T | 1937-03-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR819563A true FR819563A (fr) | 1937-10-21 |
Family
ID=9269465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR819563D Expired FR819563A (fr) | 1937-03-22 | 1937-03-22 | Rapporteur trigonométrique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR819563A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107038394A (zh) * | 2017-04-19 | 2017-08-11 | 中铁第五勘察设计院集团有限公司 | 一种量度工具及其制作方法 |
-
1937
- 1937-03-22 FR FR819563D patent/FR819563A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107038394A (zh) * | 2017-04-19 | 2017-08-11 | 中铁第五勘察设计院集团有限公司 | 一种量度工具及其制作方法 |
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