FR1010212A - Miner's electric lamp - Google Patents

Miner's electric lamp

Info

Publication number
FR1010212A
FR1010212A FR1010212DA FR1010212A FR 1010212 A FR1010212 A FR 1010212A FR 1010212D A FR1010212D A FR 1010212DA FR 1010212 A FR1010212 A FR 1010212A
Authority
FR
France
Prior art keywords
miner
electric lamp
lamp
electric
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
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.)
Friemann and Wolf GmbH
Original Assignee
Friemann and Wolf GmbH
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 Friemann and Wolf GmbH filed Critical Friemann and Wolf GmbH
Application granted granted Critical
Publication of FR1010212A publication Critical patent/FR1010212A/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
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1010212D 1950-01-27 1950-01-27 Miner's electric lamp Expired FR1010212A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1010212T 1950-01-27

Publications (1)

Publication Number Publication Date
FR1010212A true FR1010212A (en) 1952-06-09

Family

ID=9568822

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1010212D Expired FR1010212A (en) 1950-01-27 1950-01-27 Miner's electric lamp

Country Status (1)

Country Link
FR (1) FR1010212A (en)

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