FR20155E - Treatment of tungsten filaments - Google Patents

Treatment of tungsten filaments

Info

Publication number
FR20155E
FR20155E FR20155DA FR20155E FR 20155 E FR20155 E FR 20155E FR 20155D A FR20155D A FR 20155DA FR 20155 E FR20155 E FR 20155E
Authority
FR
France
Prior art keywords
treatment
tungsten filaments
filaments
tungsten
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR20155E publication Critical patent/FR20155E/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR20155D 1915-04-06 1915-04-06 Treatment of tungsten filaments Expired FR20155E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR480963T 1915-04-06

Publications (1)

Publication Number Publication Date
FR20155E true FR20155E (en) 1917-01-25

Family

ID=1361252

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20155D Expired FR20155E (en) 1915-04-06 1915-04-06 Treatment of tungsten filaments

Country Status (1)

Country Link
FR (1) FR20155E (en)

Similar Documents

Publication Publication Date Title
FR20155E (en) Treatment of tungsten filaments
FR480963A (en) Treatment of tungsten filaments
FR540585A (en) Hydrocarbon treatment process
FR478292A (en) Flour treatment
FR562166A (en) Artificial stone
FR490061A (en) Wringer for the treatment of mineral materials
FR490159A (en) Treatment of metal residues
FR470128A (en) Treatment of raw textile materials
CH72037A (en) Spinning spindle
CH71749A (en) Disinfection process
CH67875A (en) Ring twisting machine
AT74094B (en) Lack of laundry.
AU1629715B (en) Improvements inthe construction of womens stockings
FR479777A (en) Stretcher table for the treatment of the injured
CH68667A (en) Bar of soap
FR516100A (en) Ribbed spindle for threshers
FR472704A (en) Ring
CH72273A (en) Underwear
ES59167A3 (en) Manufacture of silicon cement.
FR22364E (en) Wringer for the treatment of mineral materials
ES66082A1 (en) Manufacturing process of ortho-para-dinitrophenol.
FR488645A (en) Process for the treatment of ores
CH73104A (en) Tanning process
FR481922A (en) Metal bandage
FR455164A (en) Device for the treatment of deafness