FR848585A - Darkening device especially for anti-aircraft defense - Google Patents

Darkening device especially for anti-aircraft defense

Info

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
Application number
Other languages
French (fr)
Inventor
Nberner Paul Fritz Scho
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR848585A publication Critical patent/FR848585A/en
Expired legal-status Critical Current

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
FR848585D 1938-11-04 1939-01-09 Darkening device especially for anti-aircraft defense Expired FR848585A (en)

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)

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