FR530319A - Tungsten filament incandescent devices - Google Patents

Tungsten filament incandescent devices

Info

Publication number
FR530319A
FR530319A FR530319DA FR530319A FR 530319 A FR530319 A FR 530319A FR 530319D A FR530319D A FR 530319DA FR 530319 A FR530319 A FR 530319A
Authority
FR
France
Prior art keywords
tungsten filament
filament incandescent
incandescent devices
devices
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.)
Bocuze & Cie J
Original Assignee
Bocuze & Cie J
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 Bocuze & Cie J filed Critical Bocuze & Cie J
Application granted granted Critical
Publication of FR530319A publication Critical patent/FR530319A/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)
FR530319D 1921-01-13 1921-01-13 Tungsten filament incandescent devices Expired FR530319A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR530319T 1921-01-13

Publications (1)

Publication Number Publication Date
FR530319A true FR530319A (en) 1921-12-20

Family

ID=8923197

Family Applications (1)

Application Number Title Priority Date Filing Date
FR530319D Expired FR530319A (en) 1921-01-13 1921-01-13 Tungsten filament incandescent devices

Country Status (1)

Country Link
FR (1) FR530319A (en)

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