FR848585A - Darkening device especially for anti-aircraft defense - Google Patents
Darkening device especially for anti-aircraft defenseInfo
- Publication number
- FR848585A FR848585A FR848585DA FR848585A FR 848585 A FR848585 A FR 848585A FR 848585D A FR848585D A FR 848585DA FR 848585 A FR848585 A FR 848585A
- Authority
- FR
- France
- Prior art keywords
- device especially
- darkening device
- aircraft defense
- defense
- aircraft
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU848585X | 1938-11-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR848585A true FR848585A (en) | 1939-11-02 |
Family
ID=10980612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR848585D Expired FR848585A (en) | 1938-11-04 | 1939-01-09 | Darkening device especially for anti-aircraft defense |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR848585A (en) |
-
1939
- 1939-01-09 FR FR848585D patent/FR848585A/en not_active Expired
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