FR813226A - - Google Patents
Info
- Publication number
- FR813226A FR813226A FR813226DA FR813226A FR 813226 A FR813226 A FR 813226A FR 813226D A FR813226D A FR 813226DA FR 813226 A FR813226 A FR 813226A
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B15/00—Elements, tools, or details of ploughs
- A01B15/12—Beams; Handles
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/42—Modifications of amplifiers to extend the bandwidth
- H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
- H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE469791X | 1935-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR813226A true FR813226A (zh) | 1937-05-28 |
Family
ID=6541058
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR813226D Expired FR813226A (zh) | 1935-11-11 | ||
| FR469791A Expired FR469791A (fr) | 1914-01-05 | 1914-02-12 | Dispositif applicable aux batis de charrue munis d'un age oblique portant les corps de charrue |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR469791A Expired FR469791A (fr) | 1914-01-05 | 1914-02-12 | Dispositif applicable aux batis de charrue munis d'un age oblique portant les corps de charrue |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2202361A (zh) |
| BE (1) | BE418329A (zh) |
| FR (2) | FR469791A (zh) |
| GB (1) | GB469791A (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE975551C (de) * | 1940-03-17 | 1962-01-11 | Socony Mobil Oil Company | Aufnahmeeinrichtung fuer seismische Bodenwellen |
| US2587617A (en) * | 1947-05-29 | 1952-03-04 | Faximile Inc | Distortion compensating device for facsimile equipment |
| JPH06103810B2 (ja) * | 1989-09-13 | 1994-12-14 | 三菱電機株式会社 | 電界効果トランジスタ増幅器 |
-
0
- BE BE418329D patent/BE418329A/xx unknown
- FR FR813226D patent/FR813226A/fr not_active Expired
-
1914
- 1914-02-12 FR FR469791A patent/FR469791A/fr not_active Expired
-
1936
- 1936-10-28 US US107920A patent/US2202361A/en not_active Expired - Lifetime
- 1936-11-09 GB GB30562/36A patent/GB469791A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR469791A (fr) | 1914-08-10 |
| BE418329A (zh) | |
| US2202361A (en) | 1940-05-28 |
| GB469791A (en) | 1937-08-03 |