CA223209A - Fabrication de filaments de lampes electriques - Google Patents

Fabrication de filaments de lampes electriques

Info

Publication number
CA223209A
CA223209A CA223209A CA223209DA CA223209A CA 223209 A CA223209 A CA 223209A CA 223209 A CA223209 A CA 223209A CA 223209D A CA223209D A CA 223209DA CA 223209 A CA223209 A CA 223209A
Authority
CA
Canada
Prior art keywords
filaments
manufacture
incandescent lamps
incandescent
lamps
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
CA223209A
Other languages
English (en)
Inventor
Baumann Fritz
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.)
WOLFRAMLAMPEN AG
Original Assignee
WOLFRAMLAMPEN AG
Publication date
Application granted granted Critical
Publication of CA223209A publication Critical patent/CA223209A/fr
Expired legal-status Critical Current

Links

CA223209A Fabrication de filaments de lampes electriques Expired CA223209A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA223209T

Publications (1)

Publication Number Publication Date
CA223209A true CA223209A (fr) 1922-08-29

Family

ID=35118812

Family Applications (1)

Application Number Title Priority Date Filing Date
CA223209A Expired CA223209A (fr) Fabrication de filaments de lampes electriques

Country Status (1)

Country Link
CA (1) CA223209A (fr)

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