CA243181A - Fabrication de filaments de tungsten - Google Patents

Fabrication de filaments de tungsten

Info

Publication number: CA243181A
Authority: CA; Canada
Prior art keywords: manufacture; tungsten filaments; filaments; tungsten
Prior art date: 1924-09-23
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

CA243181A

Other languages

English (en)

Inventor

De Graaff Antonius

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

Publication date

1924-09-23

1924-09-23 Application granted granted Critical

1924-09-23 Publication of CA243181A publication Critical patent/CA243181A/fr

Status Expired legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title 1
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title 1
229910052721 tungsten Inorganic materials 0.000 title 1
239000010937 tungsten Substances 0.000 title 1

CA243181A Fabrication de filaments de tungsten Expired CA243181A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA243181T

Publications (1)

Publication Number	Publication Date
CA243181A true CA243181A (fr)	1924-09-23

Family

ID=35147209

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA243181A Expired CA243181A (fr)			Fabrication de filaments de tungsten

Country Status (1)

Country	Link
CA (1)	CA243181A (fr)

0
- CA CA243181A patent/CA243181A/fr not_active Expired

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