FR648693A - Electric mine lamp - Google Patents

Electric mine lamp

Info

Publication number
FR648693A
FR648693A FR648693DA FR648693A FR 648693 A FR648693 A FR 648693A FR 648693D A FR648693D A FR 648693DA FR 648693 A FR648693 A FR 648693A
Authority
FR
France
Prior art keywords
mine lamp
electric mine
electric
lamp
mine
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.)
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 FR648693A publication Critical patent/FR648693A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR648693D 1928-02-13 1928-02-13 Electric mine lamp Expired FR648693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR648693T 1928-02-13

Publications (1)

Publication Number Publication Date
FR648693A true FR648693A (en) 1928-12-12

Family

ID=9002852

Family Applications (1)

Application Number Title Priority Date Filing Date
FR648693D Expired FR648693A (en) 1928-02-13 1928-02-13 Electric mine lamp

Country Status (1)

Country Link
FR (1) FR648693A (en)

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