FR763958A - Signal device - Google Patents

Signal device

Info

Publication number
FR763958A
FR763958A FR763958DA FR763958A FR 763958 A FR763958 A FR 763958A FR 763958D A FR763958D A FR 763958DA FR 763958 A FR763958 A FR 763958A
Authority
FR
France
Prior art keywords
signal device
signal
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
Lethou Eugene-Pierre
Aupy Jean
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 FR763958A publication Critical patent/FR763958A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
    • B61L29/26—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning mechanically operated
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D9/00—Compositions of detergents based essentially on soap
    • C11D9/04—Compositions of detergents based essentially on soap containing compounding ingredients other than soaps
    • C11D9/22—Organic compounds, e.g. vitamins
    • C11D9/225—Polymers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
FR763958D 1933-11-16 1933-11-16 Signal device Expired FR763958A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR763958T 1933-11-16

Publications (1)

Publication Number Publication Date
FR763958A true FR763958A (en) 1934-05-12

Family

ID=9181746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR763958D Expired FR763958A (en) 1933-11-16 1933-11-16 Signal device

Country Status (1)

Country Link
FR (1) FR763958A (en)

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