CA18474A - Fermeture hermetique des porte-charbons des lampes incandescentes - Google Patents

Fermeture hermetique des porte-charbons des lampes incandescentes

Info

Publication number
CA18474A
CA18474A CA000018474A CA18474DA CA18474A CA 18474 A CA18474 A CA 18474A CA 000018474 A CA000018474 A CA 000018474A CA 18474D A CA18474D A CA 18474DA CA 18474 A CA18474 A CA 18474A
Authority
CA
Canada
Prior art keywords
holders
incandescent lamps
sealing carbon
sealing
carbon
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
CA000018474A
Other languages
English (en)
Inventor
Charles G. Perkins
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA18474A publication Critical patent/CA18474A/fr
Expired legal-status Critical Current

Links

CA000018474A Fermeture hermetique des porte-charbons des lampes incandescentes Expired CA18474A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA18474T

Publications (1)

Publication Number Publication Date
CA18474A true CA18474A (fr) 1884-01-19

Family

ID=45135017

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000018474A Expired CA18474A (fr) Fermeture hermetique des porte-charbons des lampes incandescentes

Country Status (1)

Country Link
CA (1) CA18474A (fr)

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