FR415677A - Lampe de mine - Google Patents

Lampe de mine

Info

Publication number
FR415677A
FR415677A FR415677DA FR415677A FR 415677 A FR415677 A FR 415677A FR 415677D A FR415677D A FR 415677DA FR 415677 A FR415677 A FR 415677A
Authority
FR
France
Prior art keywords
mine lamp
mine
lamp
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)
Inventor
Ichitaro Koyanagi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR415677A publication Critical patent/FR415677A/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)
FR415677D 1910-05-06 1910-05-06 Lampe de mine Expired FR415677A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR415677T 1910-05-06

Publications (1)

Publication Number Publication Date
FR415677A true FR415677A (fr) 1910-10-01

Family

ID=1459251

Family Applications (1)

Application Number Title Priority Date Filing Date
FR415677D Expired FR415677A (fr) 1910-05-06 1910-05-06 Lampe de mine

Country Status (1)

Country Link
FR (1) FR415677A (fr)

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