FR24212E - Improvements to safety lamps - Google Patents

Improvements to safety lamps

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
French (fr)
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/en
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 Improvements to safety lamps Expired FR24212E (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=8662862

Family Applications (1)

Application Number Title Priority Date Filing Date
FR24212A Expired FR24212E (en) 1919-12-09 1919-12-09 Improvements to safety lamps

Country Status (1)

Country Link
FR (1) FR24212E (en)

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