FR996405A - Perfectionnements aux lampes de sûreté du type davy, utilisables au fond des mines - Google Patents

Perfectionnements aux lampes de sûreté du type davy, utilisables au fond des mines

Info

Publication number
FR996405A
FR996405A FR996405DA FR996405A FR 996405 A FR996405 A FR 996405A FR 996405D A FR996405D A FR 996405DA FR 996405 A FR996405 A FR 996405A
Authority
FR
France
Prior art keywords
davy
mines
usable
type safety
safety lamps
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.)
TALERT TALALMANYOKAT ERTEKESIT
Original Assignee
TALERT TALALMANYOKAT ERTEKESIT
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 TALERT TALALMANYOKAT ERTEKESIT filed Critical TALERT TALALMANYOKAT ERTEKESIT
Application granted granted Critical
Publication of FR996405A publication Critical patent/FR996405A/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)
FR996405D 1948-09-30 1949-09-29 Perfectionnements aux lampes de sûreté du type davy, utilisables au fond des mines Expired FR996405A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU996405X 1948-09-30

Publications (1)

Publication Number Publication Date
FR996405A true FR996405A (fr) 1951-12-19

Family

ID=10992947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR996405D Expired FR996405A (fr) 1948-09-30 1949-09-29 Perfectionnements aux lampes de sûreté du type davy, utilisables au fond des mines

Country Status (1)

Country Link
FR (1) FR996405A (fr)

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