FR20155E - Traitement des filaments de tungstène - Google Patents

Traitement des filaments de tungstène

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
English (en)
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/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K3/00Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02Manufacture of incandescent bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR20155D 1915-04-06 1915-04-06 Traitement des filaments de tungstène Expired FR20155E (fr)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=1361252

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20155D Expired FR20155E (fr) 1915-04-06 1915-04-06 Traitement des filaments de tungstène

Country Status (1)

Country Link
FR (1) FR20155E (fr)

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