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FR24218E - Improvements to closures for safety lamps - Google Patents

Improvements to closures for safety lamps

Info

Publication number
FR24218E
FR24218E FR24218A FR24218DA FR24218E FR 24218 E FR24218 E FR 24218E FR 24218 A FR24218 A FR 24218A FR 24218D A FR24218D A FR 24218DA FR 24218 E FR24218 E FR 24218E
Authority
FR
France
Prior art keywords
closures
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
FR24218A
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 FR24218E publication Critical patent/FR24218E/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)
FR24218A 1919-12-31 1919-12-31 Improvements to closures for safety lamps Expired FR24218E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR24218T 1919-12-31

Publications (1)

Publication Number Publication Date
FR24218E true FR24218E (en) 1922-03-20

Family

ID=8662868

Family Applications (1)

Application Number Title Priority Date Filing Date
FR24218A Expired FR24218E (en) 1919-12-31 1919-12-31 Improvements to closures for safety lamps

Country Status (1)

Country Link
FR (1) FR24218E (en)

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