CA233073A - Systeme de cartes a lecture directe - Google Patents

Systeme de cartes a lecture directe

Info

Publication number
CA233073A
CA233073A CA233073A CA233073DA CA233073A CA 233073 A CA233073 A CA 233073A CA 233073 A CA233073 A CA 233073A CA 233073D A CA233073D A CA 233073DA CA 233073 A CA233073 A CA 233073A
Authority
CA
Canada
Prior art keywords
card system
visible card
visible
card
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
CA233073A
Other languages
English (en)
Inventor
H. Johnson Frank
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA233073A publication Critical patent/CA233073A/fr
Expired legal-status Critical Current

Links

CA233073A Systeme de cartes a lecture directe Expired CA233073A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA233073T

Publications (1)

Publication Number Publication Date
CA233073A true CA233073A (fr) 1923-07-31

Family

ID=35130446

Family Applications (1)

Application Number Title Priority Date Filing Date
CA233073A Expired CA233073A (fr) Systeme de cartes a lecture directe

Country Status (1)

Country Link
CA (1) CA233073A (fr)

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