CA567147A - Commandes de clavier pour machines a additionner - Google Patents

Commandes de clavier pour machines a additionner

Info

Publication number
CA567147A
CA567147A CA567147A CA567147DA CA567147A CA 567147 A CA567147 A CA 567147A CA 567147 A CA567147 A CA 567147A CA 567147D A CA567147D A CA 567147DA CA 567147 A CA567147 A CA 567147A
Authority
CA
Canada
Prior art keywords
adding machines
keyboard controls
keyboard
controls
machines
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
CA567147A
Other languages
English (en)
Inventor
P. Brubaker Damon
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 CA567147A publication Critical patent/CA567147A/fr
Expired legal-status Critical Current

Links

CA567147A Commandes de clavier pour machines a additionner Expired CA567147A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA567147T

Publications (1)

Publication Number Publication Date
CA567147A true CA567147A (fr) 1958-12-09

Family

ID=35739666

Family Applications (1)

Application Number Title Priority Date Filing Date
CA567147A Expired CA567147A (fr) Commandes de clavier pour machines a additionner

Country Status (1)

Country Link
CA (1) CA567147A (fr)

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