FR851357A - - Google Patents
Info
- Publication number
- FR851357A FR851357A FR851357DA FR851357A FR 851357 A FR851357 A FR 851357A FR 851357D A FR851357D A FR 851357DA FR 851357 A FR851357 A FR 851357A
- Authority
- FR
- France
- 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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB515239A GB523436A (en) | 1939-02-16 | 1939-02-16 | Instruments for measuring the size and shape of surface irregularities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR851357A true FR851357A (en) | 1940-01-08 |
Family
ID=9790664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR851357D Expired FR851357A (en) | 1939-02-16 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR851357A (en) |
| GB (1) | GB523436A (en) |
-
0
- FR FR851357D patent/FR851357A/fr not_active Expired
-
1939
- 1939-02-16 GB GB515239A patent/GB523436A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB523436A (en) | 1940-07-15 |