FR713859A - Explosion-proof lamp - Google Patents

Explosion-proof lamp

Info

Publication number
FR713859A
FR713859A FR713859DA FR713859A FR 713859 A FR713859 A FR 713859A FR 713859D A FR713859D A FR 713859DA FR 713859 A FR713859 A FR 713859A
Authority
FR
France
Prior art keywords
explosion
proof lamp
proof
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
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.)
TELEPHONES LE LAS
Original Assignee
TELEPHONES LE LAS
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 TELEPHONES LE LAS filed Critical TELEPHONES LE LAS
Application granted granted Critical
Publication of FR713859A publication Critical patent/FR713859A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
    • F21V25/04—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR713859D 1931-03-25 1931-03-25 Explosion-proof lamp Expired FR713859A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR713859T 1931-03-25

Publications (1)

Publication Number Publication Date
FR713859A true FR713859A (en) 1931-11-04

Family

ID=9084962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713859D Expired FR713859A (en) 1931-03-25 1931-03-25 Explosion-proof lamp

Country Status (1)

Country Link
FR (1) FR713859A (en)

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