FR772999A - Improvement in electrical resistances - Google Patents
Improvement in electrical resistancesInfo
- Publication number
- FR772999A FR772999A FR772999DA FR772999A FR 772999 A FR772999 A FR 772999A FR 772999D A FR772999D A FR 772999DA FR 772999 A FR772999 A FR 772999A
- Authority
- FR
- France
- Prior art keywords
- improvement
- electrical resistances
- resistances
- electrical
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/22—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
- H01C17/24—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material
- H01C17/245—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material by mechanical means, e.g. sand blasting, cutting, ultrasonic treatment
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR772999T | 1933-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR772999A true FR772999A (en) | 1934-11-09 |
Family
ID=9196137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR772999D Expired FR772999A (en) | 1933-08-07 | 1933-08-07 | Improvement in electrical resistances |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR772999A (en) |
-
1933
- 1933-08-07 FR FR772999D patent/FR772999A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR814725A (en) | Improvements in radioreceptors | |
FR779905A (en) | Improvement in bicycles | |
FR772999A (en) | Improvement in electrical resistances | |
FR44055E (en) | Improvement in electrical resistances | |
FR758498A (en) | Improvements in stages | |
FR773859A (en) | Improvement in hard alloys | |
FR756797A (en) | Improvement in cycles | |
FR753389A (en) | Improvement in electrical resistances | |
FR806180A (en) | Improvement in radio-receptors | |
FR778298A (en) | Advanced training in armchairs | |
FR777964A (en) | Advanced training in insulators | |
FR747299A (en) | Improvements to electrical resistances | |
FR729934A (en) | Improvement in electrical resistances | |
FR755201A (en) | Improvement in mowers | |
FR764500A (en) | Improvements in electrical insulation | |
FR771328A (en) | Improvement in lightning arresters | |
FR766305A (en) | Improvement in electric clocks | |
FR760382A (en) | Further training in harvester-binder machines | |
FR791189A (en) | Improvement in electric salinometers | |
FR752026A (en) | Clamp | |
FR42350E (en) | Improvements to electrical resistances | |
FR755076A (en) | Improvement in sock clips | |
FR765081A (en) | vice | |
FR43989E (en) | Improvements in dielectric materials | |
FR765968A (en) | Advanced training in electric vibrators |