FR480963A - Traitement des filaments de tungstène - Google Patents

Traitement des filaments de tungstène

Info

Publication number
FR480963A
FR480963A FR480963DA FR480963A FR 480963 A FR480963 A FR 480963A FR 480963D A FR480963D A FR 480963DA FR 480963 A FR480963 A FR 480963A
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 FR480963A publication Critical patent/FR480963A/fr
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)
FR480963D 1914-04-13 1915-04-06 Traitement des filaments de tungstène Expired FR480963A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US480963XA 1914-04-13 1914-04-13

Publications (1)

Publication Number Publication Date
FR480963A true FR480963A (fr) 1916-10-19

Family

ID=1518132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR480963D Expired FR480963A (fr) 1914-04-13 1915-04-06 Traitement des filaments de tungstène

Country Status (1)

Country Link
FR (1) FR480963A (fr)

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