CA311309A - Lampe a vide - Google Patents

Lampe a vide

Info

Publication number
CA311309A
CA311309A CA311309A CA311309DA CA311309A CA 311309 A CA311309 A CA 311309A CA 311309 A CA311309 A CA 311309A CA 311309D A CA311309D A CA 311309DA CA 311309 A CA311309 A CA 311309A
Authority
CA
Canada
Prior art keywords
vacuum tube
vacuum
tube
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
CA311309A
Other languages
English (en)
Inventor
L. Beck Leo
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.)
CLAUDE NEON LIGHTS
Original Assignee
CLAUDE NEON LIGHTS
Publication date
Application granted granted Critical
Publication of CA311309A publication Critical patent/CA311309A/fr
Expired legal-status Critical Current

Links

CA311309A Lampe a vide Expired CA311309A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA311309T

Publications (1)

Publication Number Publication Date
CA311309A true CA311309A (fr) 1931-05-12

Family

ID=35270634

Family Applications (1)

Application Number Title Priority Date Filing Date
CA311309A Expired CA311309A (fr) Lampe a vide

Country Status (1)

Country Link
CA (1) CA311309A (fr)

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