CA289095A - Dispositif a vide - Google Patents

Dispositif a vide

Info

Publication number
CA289095A
CA289095A CA289095A CA289095DA CA289095A CA 289095 A CA289095 A CA 289095A CA 289095 A CA289095 A CA 289095A CA 289095D A CA289095D A CA 289095DA CA 289095 A CA289095 A CA 289095A
Authority
CA
Canada
Prior art keywords
evacuated device
evacuated
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
CA289095A
Other languages
English (en)
Inventor
Emerson Myers Ralph
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.)
Westinghouse Lamp Co
Original Assignee
Westinghouse Lamp Co
Publication date
Application granted granted Critical
Publication of CA289095A publication Critical patent/CA289095A/fr
Expired legal-status Critical Current

Links

CA289095A Dispositif a vide Expired CA289095A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA289095T

Publications (1)

Publication Number Publication Date
CA289095A true CA289095A (fr) 1929-04-23

Family

ID=35225907

Family Applications (1)

Application Number Title Priority Date Filing Date
CA289095A Expired CA289095A (fr) Dispositif a vide

Country Status (1)

Country Link
CA (1) CA289095A (fr)

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