FR2090648A5 - - Google Patents
Info
- Publication number
- FR2090648A5 FR2090648A5 FR7114567A FR7114567A FR2090648A5 FR 2090648 A5 FR2090648 A5 FR 2090648A5 FR 7114567 A FR7114567 A FR 7114567A FR 7114567 A FR7114567 A FR 7114567A FR 2090648 A5 FR2090648 A5 FR 2090648A5
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
- H03F3/185—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices
- H03F3/1855—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices with junction-FET devices
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH623570A CH520929A (de) | 1970-04-24 | 1970-04-24 | Verfahren und Vorrichtung zur elektrometrischen Schnellbestimmung von Ionenaktivitäten |
| DE2118876A DE2118876C3 (de) | 1970-04-24 | 1971-04-19 | Vorrichtung zur elektrometrischen Schnellbestimmung von Ionenaktivitäten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2090648A5 true FR2090648A5 (enExample) | 1972-01-14 |
Family
ID=25699216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7114567A Expired FR2090648A5 (enExample) | 1970-04-24 | 1971-04-23 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3753084A (enExample) |
| AR (1) | AR197560A1 (enExample) |
| AT (1) | AT315537B (enExample) |
| BE (1) | BE766261A (enExample) |
| CA (1) | CA932029A (enExample) |
| FR (1) | FR2090648A5 (enExample) |
| GB (1) | GB1322641A (enExample) |
| IE (1) | IE36009B1 (enExample) |
| IL (1) | IL36703A0 (enExample) |
| NL (1) | NL7105535A (enExample) |
| SE (1) | SE376481B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060580B (zh) * | 2018-06-14 | 2020-12-15 | 超威电源集团有限公司 | 一种蓄电池隔板吸酸饱和度测试方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3224433A (en) * | 1961-04-10 | 1965-12-21 | Honeywell Inc | ph electrodes |
-
1971
- 1971-04-21 SE SE7105203A patent/SE376481B/xx unknown
- 1971-04-23 AR AR235178A patent/AR197560A1/es active
- 1971-04-23 FR FR7114567A patent/FR2090648A5/fr not_active Expired
- 1971-04-23 NL NL7105535A patent/NL7105535A/xx unknown
- 1971-04-23 AT AT354071A patent/AT315537B/de not_active IP Right Cessation
- 1971-04-23 GB GB1108671*[A patent/GB1322641A/en not_active Expired
- 1971-04-25 IL IL36703A patent/IL36703A0/xx unknown
- 1971-04-26 CA CA111358A patent/CA932029A/en not_active Expired
- 1971-04-26 IE IE518/71A patent/IE36009B1/xx unknown
- 1971-04-26 US US00137437A patent/US3753084A/en not_active Expired - Lifetime
- 1971-04-26 BE BE766261A patent/BE766261A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE376481B (enExample) | 1975-05-26 |
| CA932029A (en) | 1973-08-14 |
| AT315537B (de) | 1974-05-27 |
| GB1322641A (en) | 1973-07-11 |
| US3753084A (en) | 1973-08-14 |
| IE36009B1 (en) | 1976-07-21 |
| NL7105535A (enExample) | 1971-10-26 |
| BE766261A (fr) | 1971-09-16 |
| IE36009L (en) | 1971-10-24 |
| AR197560A1 (es) | 1974-04-23 |
| IL36703A0 (en) | 1971-06-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |