CA290369A - Lampe duplex a vide - Google Patents

Lampe duplex a vide

Info

Publication number
CA290369A
CA290369A CA290369A CA290369DA CA290369A CA 290369 A CA290369 A CA 290369A CA 290369 A CA290369 A CA 290369A CA 290369D A CA290369D A CA 290369DA CA 290369 A CA290369 A CA 290369A
Authority
CA
Canada
Prior art keywords
vacuum tube
tube light
duplex vacuum
duplex
light
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
CA290369A
Other languages
English (en)
Inventor
C. Smalley Robert
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 LIGHT Co OF CANADA
CLAUDE NEON LIGHTS
Original Assignee
CLAUDE NEON LIGHT Co OF CANADA
CLAUDE NEON LIGHTS
Publication date
Application granted granted Critical
Publication of CA290369A publication Critical patent/CA290369A/fr
Expired legal-status Critical Current

Links

CA290369A Lampe duplex a vide Expired CA290369A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA290369T

Publications (1)

Publication Number Publication Date
CA290369A true CA290369A (fr) 1929-06-11

Family

ID=35227181

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290369A Expired CA290369A (fr) Lampe duplex a vide

Country Status (1)

Country Link
CA (1) CA290369A (fr)

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