CA783121A - Methods and materials for recording, confirming and retrieving information - Google Patents

Methods and materials for recording, confirming and retrieving information

Info

Publication number
CA783121A
CA783121A CA783121A CA783121DA CA783121A CA 783121 A CA783121 A CA 783121A CA 783121 A CA783121 A CA 783121A CA 783121D A CA783121D A CA 783121DA CA 783121 A CA783121 A CA 783121A
Authority
CA
Canada
Prior art keywords
confirming
recording
materials
methods
retrieving information
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
CA783121A
Inventor
M. Gold 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.)
Keuffel and Esser Co
Original Assignee
Keuffel and Esser Co
Publication date
Application granted granted Critical
Publication of CA783121A publication Critical patent/CA783121A/en
Expired legal-status Critical Current

Links

CA783121A Methods and materials for recording, confirming and retrieving information Expired CA783121A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA783121T

Publications (1)

Publication Number Publication Date
CA783121A true CA783121A (en) 1968-04-16

Family

ID=36245794

Family Applications (1)

Application Number Title Priority Date Filing Date
CA783121A Expired CA783121A (en) Methods and materials for recording, confirming and retrieving information

Country Status (1)

Country Link
CA (1) CA783121A (en)

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