FR24216E - Perfectionnements aux lampes de sureté - Google Patents

Perfectionnements aux lampes de sureté

Info

Publication number
FR24216E
FR24216E FR24216A FR24216DA FR24216E FR 24216 E FR24216 E FR 24216E FR 24216 A FR24216 A FR 24216A FR 24216D A FR24216D A FR 24216DA FR 24216 E FR24216 E FR 24216E
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
FR24216A
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 FR24216E publication Critical patent/FR24216E/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)
FR24216A 1919-12-16 1919-12-16 Perfectionnements aux lampes de sureté Expired FR24216E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR24216T 1919-12-16

Publications (1)

Publication Number Publication Date
FR24216E true FR24216E (fr) 1922-03-20

Family

ID=8662866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR24216A Expired FR24216E (fr) 1919-12-16 1919-12-16 Perfectionnements aux lampes de sureté

Country Status (1)

Country Link
FR (1) FR24216E (fr)

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