CA308327A - Methode a faire le vide dans les lampes - Google Patents

Methode a faire le vide dans les lampes

Info

Publication number
CA308327A
CA308327A CA308327A CA308327DA CA308327A CA 308327 A CA308327 A CA 308327A CA 308327 A CA308327 A CA 308327A CA 308327D A CA308327D A CA 308327DA CA 308327 A CA308327 A CA 308327A
Authority
CA
Canada
Prior art keywords
vacuum tubes
exhausting vacuum
exhausting
tubes
vacuum
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
CA308327A
Other languages
English (en)
Inventor
W. Pike Otis
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA308327A publication Critical patent/CA308327A/fr
Expired legal-status Critical Current

Links

CA308327A Methode a faire le vide dans les lampes Expired CA308327A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA308327T

Publications (1)

Publication Number Publication Date
CA308327A true CA308327A (fr) 1931-02-03

Family

ID=35261480

Family Applications (1)

Application Number Title Priority Date Filing Date
CA308327A Expired CA308327A (fr) Methode a faire le vide dans les lampes

Country Status (1)

Country Link
CA (1) CA308327A (fr)

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