CA513158A - Electron tube counting devices - Google Patents

Electron tube counting devices

Info

Publication number
CA513158A
CA513158A CA513158A CA513158DA CA513158A CA 513158 A CA513158 A CA 513158A CA 513158 A CA513158 A CA 513158A CA 513158D A CA513158D A CA 513158DA CA 513158 A CA513158 A CA 513158A
Authority
CA
Canada
Prior art keywords
electron tube
counting devices
tube counting
devices
electron
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
CA513158A
Other languages
French (fr)
Inventor
R. Desch Joseph
E. Mumma 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.)
National Cash Register Co
Original Assignee
National Cash Register Co
Publication date
Application granted granted Critical
Publication of CA513158A publication Critical patent/CA513158A/en
Expired legal-status Critical Current

Links

CA513158A Electron tube counting devices Expired CA513158A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA513158T

Publications (1)

Publication Number Publication Date
CA513158A true CA513158A (en) 1955-05-24

Family

ID=35664237

Family Applications (1)

Application Number Title Priority Date Filing Date
CA513158A Expired CA513158A (en) Electron tube counting devices

Country Status (1)

Country Link
CA (1) CA513158A (en)

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