BE366612A - - Google Patents
Info
- Publication number
- BE366612A BE366612A BE366612DA BE366612A BE 366612 A BE366612 A BE 366612A BE 366612D A BE366612D A BE 366612DA BE 366612 A BE366612 A BE 366612A
- Authority
- BE
- Belgium
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/008—Details related to central heating radiators
- F24D19/0082—Humidifiers for radiators
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/06—Dredgers; Soil-shifting machines mechanically-driven with digging screws
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL687697X | 1929-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE366612A true BE366612A (en:Method) |
Family
ID=19805713
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE366672D BE366672A (en:Method) | 1929-02-07 | ||
| BE366612D BE366612A (en:Method) | 1929-02-07 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE366672D BE366672A (en:Method) | 1929-02-07 |
Country Status (2)
| Country | Link |
|---|---|
| BE (2) | BE366612A (en:Method) |
| FR (1) | FR687697A (en:Method) |
-
0
- BE BE366672D patent/BE366672A/xx unknown
- BE BE366612D patent/BE366612A/xx unknown
-
1930
- 1930-01-04 FR FR687697D patent/FR687697A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE366672A (en:Method) | |
| FR687697A (fr) | 1930-08-12 |