FR24212E - Perfectionnements aux lampes de sureté - Google Patents

Perfectionnements aux lampes de sureté

Info

Publication number
FR24212E
FR24212E FR24212A FR24212DA FR24212E FR 24212 E FR24212 E FR 24212E FR 24212 A FR24212 A FR 24212A FR 24212D A FR24212D A FR 24212DA FR 24212 E FR24212 E FR 24212E
Authority
FR
France
Prior art keywords
safety lamps
lamps
safety
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
FR24212A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ECLAIRAGE ET D APPLIC ELECTR S
Original Assignee
ECLAIRAGE ET D APPLIC ELECTR S
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 by ECLAIRAGE ET D APPLIC ELECTR S filed Critical ECLAIRAGE ET D APPLIC ELECTR S
Application granted granted Critical
Publication of FR24212E publication Critical patent/FR24212E/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L23/00—Non-electric hand-lamps for miners

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR24212A 1919-12-09 1919-12-09 Perfectionnements aux lampes de sureté Expired FR24212E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR24212T 1919-12-09

Publications (1)

Publication Number Publication Date
FR24212E true FR24212E (fr) 1922-03-20

Family

ID=8662862

Family Applications (1)

Application Number Title Priority Date Filing Date
FR24212A Expired FR24212E (fr) 1919-12-09 1919-12-09 Perfectionnements aux lampes de sureté

Country Status (1)

Country Link
FR (1) FR24212E (fr)

Similar Documents

Publication Publication Date Title
FR538414A (fr) Perfectionnements apportés aux parachutes
FR510470A (fr) Perfectionnements aux lampes de sureté
FR24215E (fr) Perfectionnements aux lampes de sureté
FR24216E (fr) Perfectionnements aux lampes de sureté
FR506527A (fr) Perfectionnements apportés aux grues
FR508181A (fr) Perfectionnements apportés aux explosifs
FR534040A (fr) Perfectionnements aux lampes de sûreté
FR528196A (fr) Perfectionnements aux cinématographes
FR513556A (fr) Perfectionnements apportés aux motocyclettes
FR504290A (fr) Perfectionnements apportés aux constructions
FR520269A (fr) Perfectionnements apportés aux guindeaux
FR501086A (fr) Perfectionnements aux soupapes de sureté
FR504503A (fr) Perfectionnements aux lampes électriques
FR504556A (fr) Perfectionnements aux lampes électriques
FR504947A (fr) Perfectionnements aux lampes de sureté pour mineurs
FR517294A (fr) Perfectionnements aux lampes de sureté pour mineurs
FR505155A (fr) Perfectionnements aux verrous de sureté
FR512314A (fr) Perfectionnements apportés aux aéronefs
FR503987A (fr) Perfectionnements aux cinématographes
FR494907A (fr) Perfectionnements apportés aux automobiles
FR520297A (fr) Perfectionnements apportés aux vernis-japon
FR508971A (fr) Perfectionnements apportés aux véhicules
FR516832A (fr) Perfectionnements aux manomètres
FR501755A (fr) Perfectionnements aux grues
FR526728A (fr) Perfectionnements aux grues