BE726858A - - Google Patents

Info

Publication number
BE726858A
BE726858A BE726858DA BE726858A BE 726858 A BE726858 A BE 726858A BE 726858D A BE726858D A BE 726858DA BE 726858 A BE726858 A BE 726858A
Authority
BE
Belgium
Application number
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
Publication of BE726858A publication Critical patent/BE726858A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/26—Screens; Filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02—Manufacture of incandescent bodies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K7/00—Lamps for purposes other than general lighting
    • H01K7/02—Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Carbon And Carbon Compounds (AREA)
BE726858D 1968-01-18 1969-01-14 BE726858A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69896368A 1968-01-18 1968-01-18
US69896268A 1968-01-18 1968-01-18

Publications (1)

Publication Number Publication Date
BE726858A true BE726858A (ja) 1969-06-16

Family

ID=27106313

Family Applications (1)

Application Number Title Priority Date Filing Date
BE726858D BE726858A (ja) 1968-01-18 1969-01-14

Country Status (4)

Country Link
BE (1) BE726858A (ja)
DE (1) DE1901826A1 (ja)
FR (1) FR2000389A1 (ja)
NL (1) NL6900628A (ja)

Also Published As

Publication number Publication date
NL6900628A (ja) 1969-07-22
DE1901826A1 (de) 1969-09-04
FR2000389A1 (fr) 1969-09-05

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