FR742928A - - Google Patents
Info
- Publication number
- FR742928A FR742928A FR742928DA FR742928A FR 742928 A FR742928 A FR 742928A FR 742928D A FR742928D A FR 742928DA FR 742928 A FR742928 A FR 742928A
- 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
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/36—DC amplifiers in which all stages are DC-coupled with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
FR742928A true FR742928A (zh) | 1933-03-18 |
Family
ID=1547258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR742928D Expired FR742928A (zh) |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR742928A (zh) |
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0
- FR FR742928D patent/FR742928A/fr not_active Expired