CA153386A - Tube a vide - Google Patents

Tube a vide

Info

Publication number
CA153386A
CA153386A CA000153386A CA153386DA CA153386A CA 153386 A CA153386 A CA 153386A CA 000153386 A CA000153386 A CA 000153386A CA 153386D A CA153386D A CA 153386DA CA 153386 A CA153386 A CA 153386A
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
CA000153386A
Other languages
English (en)
Inventor
William David Coolidge
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canadian General Electric Co Ltd filed Critical Canadian General Electric Co Ltd
Application granted granted Critical
Publication of CA153386A publication Critical patent/CA153386A/fr
Expired legal-status Critical Current

Links

CA000153386A 1913-09-30 1913-09-30 Tube a vide Expired CA153386A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA153386T 1913-09-30

Publications (1)

Publication Number Publication Date
CA153386A true CA153386A (fr) 1914-02-03

Family

ID=45273097

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000153386A Expired CA153386A (fr) 1913-09-30 1913-09-30 Tube a vide

Country Status (1)

Country Link
CA (1) CA153386A (fr)

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