CA859799A - Modified polyester film for punched tapes - Google Patents

Modified polyester film for punched tapes

Info

Publication number
CA859799A
CA859799A CA859799A CA859799DA CA859799A CA 859799 A CA859799 A CA 859799A CA 859799 A CA859799 A CA 859799A CA 859799D A CA859799D A CA 859799DA CA 859799 A CA859799 A CA 859799A
Authority
CA
Canada
Prior art keywords
polyester film
modified polyester
punched tapes
tapes
punched
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
CA859799A
Inventor
J. Seppala Harold
Benz Gerhard
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA859799A publication Critical patent/CA859799A/en
Expired legal-status Critical Current

Links

CA859799A Modified polyester film for punched tapes Expired CA859799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA859799T

Publications (1)

Publication Number Publication Date
CA859799A true CA859799A (en) 1970-12-29

Family

ID=36345242

Family Applications (1)

Application Number Title Priority Date Filing Date
CA859799A Expired CA859799A (en) Modified polyester film for punched tapes

Country Status (1)

Country Link
CA (1) CA859799A (en)

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