FR663439A - Improvements to acetylene lanterns - Google Patents

Improvements to acetylene lanterns

Info

Publication number
FR663439A
FR663439A FR663439DA FR663439A FR 663439 A FR663439 A FR 663439A FR 663439D A FR663439D A FR 663439DA FR 663439 A FR663439 A FR 663439A
Authority
FR
France
Prior art keywords
lanterns
acetylene
acetylene lanterns
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.)
Epervier Gillet & Cie
Original Assignee
Epervier Gillet & Cie
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 Epervier Gillet & Cie filed Critical Epervier Gillet & Cie
Application granted granted Critical
Publication of FR663439A publication Critical patent/FR663439A/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
    • F21L27/00—Lighting devices or systems, employing combinations of electric and non-electric light sources; Replacing or exchanging electric light sources with non-electric light sources or vice versa in lighting devices or systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR663439D 1928-02-20 1928-02-20 Improvements to acetylene lanterns Expired FR663439A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR663439T 1928-02-20

Publications (1)

Publication Number Publication Date
FR663439A true FR663439A (en) 1929-08-21

Family

ID=9012070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR663439D Expired FR663439A (en) 1928-02-20 1928-02-20 Improvements to acetylene lanterns

Country Status (1)

Country Link
FR (1) FR663439A (en)

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