FR714144A - Hammering of metal reflectors - Google Patents

Hammering of metal reflectors

Info

Publication number
FR714144A
FR714144A FR714144DA FR714144A FR 714144 A FR714144 A FR 714144A FR 714144D A FR714144D A FR 714144DA FR 714144 A FR714144 A FR 714144A
Authority
FR
France
Prior art keywords
hammering
metal reflectors
reflectors
metal
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)
Inventor
Charles-Emile-Jules Brandt
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 filed Critical
Application granted granted Critical
Publication of FR714144A publication Critical patent/FR714144A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR714144D 1931-04-01 1931-04-01 Hammering of metal reflectors Expired FR714144A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR714144T 1931-04-01

Publications (1)

Publication Number Publication Date
FR714144A true FR714144A (en) 1931-11-07

Family

ID=9086034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714144D Expired FR714144A (en) 1931-04-01 1931-04-01 Hammering of metal reflectors

Country Status (1)

Country Link
FR (1) FR714144A (en)

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