FR1031205A - Lampe de mine combinée avec un indicateur de grisou - Google Patents

Lampe de mine combinée avec un indicateur de grisou

Info

Publication number
FR1031205A
FR1031205A FR1031205DA FR1031205A FR 1031205 A FR1031205 A FR 1031205A FR 1031205D A FR1031205D A FR 1031205DA FR 1031205 A FR1031205 A FR 1031205A
Authority
FR
France
Prior art keywords
firedamp
indicator
mine lamp
lamp combined
combined
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
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.)
CEAG Concordia Elekrizitats AG
Original Assignee
CEAG Concordia Elekrizitats AG
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 CEAG Concordia Elekrizitats AG filed Critical CEAG Concordia Elekrizitats AG
Application granted granted Critical
Publication of FR1031205A publication Critical patent/FR1031205A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1031205D 1950-08-23 1951-01-19 Lampe de mine combinée avec un indicateur de grisou Expired FR1031205A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1031205X 1950-08-23

Publications (1)

Publication Number Publication Date
FR1031205A true FR1031205A (fr) 1953-06-22

Family

ID=7715566

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1031205D Expired FR1031205A (fr) 1950-08-23 1951-01-19 Lampe de mine combinée avec un indicateur de grisou

Country Status (1)

Country Link
FR (1) FR1031205A (fr)

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